Producing And Measuring Electricity

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| By Wmungly
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Wmungly
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Quizzes Created: 1 | Total Attempts: 275
| Attempts: 275
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  • 1/7 Questions

    A type of battery that can be use many times.

    • Reusuable battery
    • Renewable battery
    • Rechargeable battery
    • Returnable battery
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About This Quiz

Explore the fundamentals of electricity, including current measurement, electrical energy storage, circuit components, and magnetism.

Electricity Quizzes & Trivia

Quiz Preview

  • 2. 

    An area found around a magnet?

    • Line area

    • Ground

    • Field

    • Pasture

    Correct Answer
    A. Field
    Explanation
    A field is an area found around a magnet. In the context of magnets, a field refers to the region in which the magnetic force produced by the magnet can be detected. This magnetic field extends outwards from the magnet and can interact with other magnetic objects or materials within its range. Therefore, "Field" is the correct answer as it accurately describes the area surrounding a magnet.

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  • 3. 

     What device do we use to measure the current in a circuit?

    • Voltmeter

    • Rheostat

    • Digital Meter

    • Ammeter

    Correct Answer
    A. Ammeter
    Explanation
    An ammeter is used to measure the current in a circuit. It is specifically designed to measure the flow of electric current. Unlike a voltmeter, which measures voltage, or a rheostat, which is used to control resistance, an ammeter is calibrated to directly measure the current passing through a circuit. It is an essential tool for electrical engineers and technicians to ensure that circuits are functioning properly and to troubleshoot any issues related to current flow.

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  • 4. 

    In a circuit what particle flow from the negative terminal to the positive terminal?

    • Proton

    • Neutron

    • Electron

    • Convectional current

    Correct Answer
    A. Electron
    Explanation
    In a circuit, electrons flow from the negative terminal to the positive terminal. Electrons are negatively charged particles and they move in response to an electric field. This flow of electrons constitutes an electric current, which is the movement of charge through a conductor. The flow of electrons from the negative terminal to the positive terminal is essential for the operation of electrical devices and the transfer of energy in a circuit.

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  • 5. 

    The measure of the amount of electrical energy that a cell can hold is known as its.................

    • Volume

    • Capacity

    • Time

    • Amps

    Correct Answer
    A. Capacity
    Explanation
    Capacity refers to the measure of the amount of electrical energy that a cell can hold. It represents the maximum amount of charge that a cell can store. Volume is not the correct answer as it refers to the amount of space occupied by an object. Time is also not the correct answer as it is a measure of the duration. Amps is the unit used to measure electric current, not the measure of the amount of electrical energy that a cell can hold.

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  • 6. 

    A resistor that changes its resistance with changing light intensity

    • BBC

    • LED

    • LDR

    • DRL

    Correct Answer
    A. LDR
    Explanation
    An LDR (Light Dependent Resistor) is a resistor that changes its resistance with changing light intensity. It is a type of sensor that is commonly used in light-sensitive devices. When exposed to light, the resistance of the LDR decreases, and when in darkness, the resistance increases. This property makes it suitable for applications such as automatic lighting control, solar panels, and light meters. Therefore, the correct answer is LDR.

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  • 7. 

    The size of the induced potential difference in a coil increases if

    • The speed of the proton movement increases

    • The speed of the proton movement decreases

    • The speed of the magnet movement increases

    • The speed of the proton movement decreases

    Correct Answer
    A. The speed of the magnet movement increases
    Explanation
    When the speed of the magnet movement increases, the magnetic field passing through the coil changes at a faster rate. According to Faraday's law of electromagnetic induction, a change in magnetic field induces an electromotive force (EMF) in a coil. Therefore, an increase in the speed of the magnet movement leads to a larger induced potential difference in the coil.

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  • Current Version
  • Mar 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 02, 2008
    Quiz Created by
    Wmungly
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