Advanced Current Electricity Quiz

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  • 1/20 Questions
    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit. How would you measure the “current” of this “circuit”? - ProProfs

    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit. How would you measure the “current” of this “circuit”?

    • Measure the rate of water flow
    • Measure the weight of the water
    • Measure the density of the liquid used
    • Measure the amount of energy required by the pump to pump the water up
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Advanced Current Electricity Quiz - Quiz

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  • 2. 

     For a solid conductor, what is the name of the particle that carries a charge and hence creates current call?

    • Electron

    • Proton

    • Neutron

    • None of the above

    Correct Answer
    A. Electron
    Explanation
    An electron is a negatively charged particle that carries a charge and creates current in a solid conductor. It is the movement of electrons within the conductor that constitutes an electric current. Protons and neutrons do not carry a charge and therefore do not create current.

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  • 3. 
    Which of the following represent a light emitting diode (LED)? - ProProfs

    Which of the following represent a light emitting diode (LED)?

    • I

    • Ii

    • Iii

    • Iv

    Correct Answer
    A. Iv
    Explanation
    Option iv represents a light emitting diode (LED). An LED is a semiconductor device that emits light when an electric current is passed through it. Option iv is the only option that represents a symbol commonly used to represent an LED in electronic circuit diagrams.

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  • 4. 
    Which graph represents an ohmic conductor ? - ProProfs

    Which graph represents an ohmic conductor ?

    • I

    • Ii

    • Iii

    • Iv

    Correct Answer
    A. I
    Explanation
    Graph i represents an ohmic conductor because it shows a linear relationship between the current and voltage. In an ohmic conductor, the current is directly proportional to the voltage, meaning that as the voltage increases, the current also increases in a linear manner. This is indicated by the straight line on graph i. On the other hand, graphs ii, iii, and iv show non-linear relationships between current and voltage, which are not characteristic of an ohmic conductor.

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  • 5. 
    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit. Which part of the diagram will represent the battery? - ProProfs

    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit. Which part of the diagram will represent the battery?

    • The top reservoir

    • The pump

    • The piping

    • The bottom reservoir

    Correct Answer
    A. The pump
    Explanation
    In an electric circuit, the battery is responsible for providing the electrical energy to the circuit. Similarly, in the given diagram, the pump is responsible for pumping water up to a higher level reservoir, which is equivalent to providing energy to the system. Therefore, the pump represents the battery in the diagram.

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  • 6. 

          A current of 3.0 A flows through the filament of a torch bulb for half a minute. What is the amount of charge that flow through the filament during this time?

    • 1.5 C

    • 10 C

    • 6.0 C

    • 90 C

    Correct Answer
    A. 90 C
    Explanation
    During the half-minute time period, the current of 3.0 A is flowing through the filament. The amount of charge that flows through a circuit can be calculated by multiplying the current by the time. Therefore, the amount of charge that flows through the filament is 3.0 A * 30 s = 90 C.

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  • 7. 

          A charge of 2C takes 4s to flow from one point to another in a circuit.  The magnitude of this current flow is ______A?

    Correct Answer
    0.5
    0.5A
    0.5 A
    Explanation
    The magnitude of the current flow is 0.5A. This can be determined by using the equation I = Q/t, where I is the current, Q is the charge, and t is the time. In this case, the charge is 2C and the time is 4s. Therefore, the current is 2C/4s = 0.5A.

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  • 8. 

    One ______is the p.d. across a load if the work done to bring 1 C ofpositive charge across the load is 1 J.

    • Ohm

    • Ampere

    • Volt

    • None of the above

    Correct Answer
    A. Volt
    Explanation
    Volt is the correct answer because it is the unit of measurement for electric potential difference or voltage. It represents the amount of work done to move a unit of positive charge across a load. Therefore, the p.d. across a load is measured in volts when the work done to bring 1 C of positive charge across the load is 1 J.

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  • 9. 
    The diagram shows a resistor connected to a cell of e.m.f. 2.0 V  How much thermal energy is produced in the resistor in 6.0 s?                                                      - ProProfs

    The diagram shows a resistor connected to a cell of e.m.f. 2.0 V  How much thermal energy is produced in the resistor in 6.0 s?                                                     

    • 4.8 J

    • 20 J

    • 0.8 J

    • 5.0 J

    Correct Answer
    A. 4.8 J
    Explanation
    The thermal energy produced in the resistor can be calculated using the equation E = Pt, where E is the thermal energy, P is the power, and t is the time. Since the power is equal to the product of the current (I) and the voltage (V), P = IV. In this case, the voltage is given as 2.0 V. Since the power is also equal to the rate at which energy is transferred, the thermal energy produced can be calculated by multiplying the power by the time, E = Pt. Therefore, the thermal energy produced in the resistor in 6.0 s is 4.8 J.

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  • 10. 
    The diagram shows a resistor connected to a cell of e.m.f. 2.0 V What is the current flowing through this circuit?                                                      - ProProfs

    The diagram shows a resistor connected to a cell of e.m.f. 2.0 V What is the current flowing through this circuit?                                                     

    • 2.5 A

    • 10 A

    • 0.4 A

    • 7.0 A

    Correct Answer
    A. 0.4 A
    Explanation
    The current flowing through a circuit can be determined using Ohm's Law, which states that current (I) is equal to the voltage (V) divided by the resistance (R). In this case, the circuit consists of only a resistor and a cell, so the resistance is known. Since the e.m.f. of the cell is given as 2.0 V and the current is unknown, we can use Ohm's Law to calculate the current. Since the resistance is not given, we can assume it to be 5 ohms (2.0 V / 5 ohms = 0.4 A). Therefore, the correct answer is 0.4 A.

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  • 11. 

    To transfer 2.0C of charge from point A to B (where its potential difference is 4.0 V) in a circuit. How much energy is needed?

    • 2.0 J

    • 6.0 J

    • 0.50 J

    • 8.0 J

    Correct Answer
    A. 8.0 J
    Explanation
    To transfer charge from point A to B, work needs to be done against the electric potential difference. The amount of work done is equal to the product of charge and potential difference. In this case, the charge is 2.0 C and the potential difference is 4.0 V. Therefore, the energy needed is 2.0 C * 4.0 V = 8.0 J.

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  • 12. 
    The diagram shows a resistor connected to a cell of e.m.f. 2.0 V        How much energy would the cell have lost durings6.0 s?                                                 - ProProfs

    The diagram shows a resistor connected to a cell of e.m.f. 2.0 V        How much energy would the cell have lost durings6.0 s?                                                

    • 4.8 J

    • 20 J

    • 0.8 J

    • 5.0 J

    Correct Answer
    A. 4.8 J
  • 13. 
    Which of the following represent a light bulb? - ProProfs

    Which of the following represent a light bulb?

    • I

    • Ii

    • Iii

    • Iv

    Correct Answer
    A. Iii
    Explanation
    Option iii represents a light bulb.

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  • 14. 

    The carriers of a current in a wire are electrons. Each electron carries 1.6 x 10-19C of charge. The number of electrons per second passing any section of a wire carrying a current of 0.8 A is

    • 3 x 10^18

    • 5 x 10^18

    • 8 x 10^18

    • 8 x 10^19

    Correct Answer
    A. 5 x 10^18
    Explanation
    The current in a wire is defined as the rate of flow of charge. In this case, the current is given as 0.8 A. We know that each electron carries a charge of 1.6 x 10^-19 C. To find the number of electrons passing through a section of the wire per second, we can use the formula:

    Number of electrons = Current / Charge of each electron

    Number of electrons = 0.8 A / (1.6 x 10^-19 C)

    Simplifying this equation, we get:

    Number of electrons = 5 x 10^18

    Therefore, the correct answer is 5 x 10^18.

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  • 15. 
    - ProProfs

    • 3 Ω

    • 12 000 Ω

    • 3000 Ω

    • 2000 Ω

    Correct Answer
    A. 12 000 Ω
  • 16. 

            ______ is defined as the energy converted from electrical to other forms when one coulomb of electrical charge passes between the two points.

    • Current

    • Potential difference between any 2 points

    • Electromotive force

    • Resistance

    Correct Answer
    A. Potential difference between any 2 points
    Explanation
    The correct answer is "Potential difference between any 2 points." In electrical circuits, potential difference refers to the difference in electric potential energy between two points. When one coulomb of electrical charge passes between these two points, the energy is converted from electrical to other forms. Therefore, potential difference is the correct term to describe this energy conversion.

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  • 17. 
    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit. Identify the positive pole of the “battery” in this diagram - ProProfs

    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit. Identify the positive pole of the “battery” in this diagram

    • The left hand side of the top reservoir

    • The top part of the pump

    • The bottom part of the piping where the water flow from the top reservoir to the bottom

    • The right hand side of the bottom reservoir

    Correct Answer
    A. The top part of the pump
    Explanation
    The top part of the pump can be considered as the positive pole of the "battery" in this diagram because it is responsible for pumping the water up to a higher level reservoir, which is similar to the function of a positive terminal in an electric circuit.

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  • 18. 

    4.0 J of electrical energy is converted to thermal energy when 6.0 C ofcharges pass through a resistor. What is the potential difference across the resistor?

    • 0.67V

    • 1.5V

    • 24V

    • Cannot be determined due to lack of information

    Correct Answer
    A. 0.67V
    Explanation
    The potential difference across a resistor can be calculated using the formula V = E/Q, where V is the potential difference, E is the electrical energy, and Q is the charge. In this case, the electrical energy is given as 4.0 J and the charge is given as 6.0 C. Plugging these values into the formula, we get V = 4.0 J / 6.0 C = 0.67V. Therefore, the potential difference across the resistor is 0.67V.

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  • 19. 
    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit. What is analogous to the water in an electric circuit? - ProProfs

    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit. What is analogous to the water in an electric circuit?

    • Conventional Current

    • Electron

    • Electromotive force

    • Potential difference

    Correct Answer
    A. Electron
    Explanation
    In an electric circuit, the flow of electrons is analogous to the movement of water in a cyclic water system. Just like water flows from the higher level reservoir to the bottom reservoir and then gets pumped up again, electrons flow from the negative terminal of a power source to the positive terminal, creating a continuous flow of electric current. Therefore, the correct answer is "Electron."

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  • 20. 
    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit.  Where is the “resistor”? - ProProfs

    This simplified diagram represents a cyclic movement of water where there is a pump, P, to pump water up to a higher level reservoir. The water flows down to the bottom reservoir, which is then again pumped up. Now imagine that this can represent an electric circuit.  Where is the “resistor”?

    • The pump

    • The bottom reservoir

    • The part where the water fall through the pipe

    • The end of the pipe where the water gushes out into the bottom reservoir

    Correct Answer
    A. The part where the water fall through the pipe
    Explanation
    The correct answer is the part where the water falls through the pipe. In an electric circuit, a resistor is a component that restricts the flow of electric current. Similarly, in the water cycle analogy, the part where the water falls through the pipe acts as a restriction or obstacle to the flow of water, similar to a resistor in an electric circuit.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Oct 28, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 21, 2011
    Quiz Created by
    Ms_adelinetan
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