Electricity And Magnetism Post-test

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  • 1/20 Questions

    A push or a pull.

    • Force
    • Battery
    • Coil
    • Core
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About This Quiz

The 'Electricity and Magnetism post-test' assesses knowledge on key concepts such as electrical circuits, components, and conductors. It evaluates understanding of how electricity flows and the behavior of magnets, crucial for learners in physics.

Electricity And Magnetism Post-test - Quiz

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  • 2. 

    A form of energy that can produce light, heat, and magnetism.

    • Electricity

    • Code

    • Closed

    • Open

    Correct Answer
    A. Electricity
    Explanation
    Electricity is a form of energy that can produce light, heat, and magnetism. When an electric current flows through a conductor, it generates heat and produces light in the form of incandescent bulbs or LEDs. Additionally, electricity can create magnetism through the use of electromagnets. Therefore, electricity is the correct answer as it encompasses all the mentioned properties of producing light, heat, and magnetism.

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  • 3. 

    An object that sticks to iron

    • Magnet

    • Code

    • Filament

    • Insulator

    Correct Answer
    A. Magnet
    Explanation
    The correct answer is magnet because a magnet is an object that sticks to iron. Magnets have the ability to attract and stick to materials that contain iron, such as iron itself or certain types of steel. This is due to the magnetic field that magnets produce, which creates a force of attraction between the magnet and the iron object.

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  • 4. 

    A pathway for the flow of electricity

    • Static

    • Switch

    • Circuit

    • Technology

    Correct Answer
    A. Circuit
    Explanation
    A circuit is a complete pathway for the flow of electricity. It includes various components such as wires, resistors, capacitors, and switches that are interconnected to allow the flow of electric current. A circuit enables the movement of electrons from a power source, such as a battery or generator, through the various components and back to the source. It is an essential concept in electrical engineering and is used in various technologies and devices to control and utilize electricity efficiently.

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  • 5. 

    An incomplete circuit through which electricity will not flow.

    • Graph

    • Key

    • Open circuit

    • Pole

    Correct Answer
    A. Open circuit
    Explanation
    An open circuit refers to an incomplete circuit where there is a gap or break in the path, preventing the flow of electricity. This can occur when a switch is turned off or when there is a disconnected wire. In an open circuit, the electricity cannot complete its loop and therefore does not flow.

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  • 6. 

    A circuit that splits into two or more pathways before coming together at the battery.

    • Magnet

    • Static

    • Parallel circuit

    • Electricity

    Correct Answer
    A. Parallel circuit
    Explanation
    A parallel circuit is a type of circuit where the current splits into two or more pathways before coming back together at the battery. In a parallel circuit, each pathway has its own components, such as resistors, and the voltage across each pathway remains the same. This allows for multiple devices to be connected independently to the same power source, making it a common configuration in household electrical wiring and many electronic devices.

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  • 7. 

    A substance, commonly a metal such as copper or aluminum, through which electricity will flow.

    • Conductor

    • Prediction

    • Telegraph

    • Switch

    Correct Answer
    A. Conductor
    Explanation
    A conductor is a substance, usually a metal like copper or aluminum, that allows electricity to flow through it. It has low resistance, meaning it does not impede the flow of electric current. Conductors are used in electrical circuits to transmit and distribute electricity efficiently.

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  • 8. 

    The flow of electricity through a conductor

    • Filament

    • Force

    • Current

    • Detector

    Correct Answer
    A. Current
    Explanation
    The correct answer is "current". Current refers to the flow of electricity through a conductor. It is the movement of electric charge, typically electrons, in a circuit. Current is measured in amperes (A) and is essential for the functioning of electrical devices. It is the flow of current that allows electrical energy to be transferred and utilized in various applications.

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  • 9. 

    Something that helps you identify or locate something

    • Lodestone

    • Series

    • Electricity

    • Detector

    Correct Answer
    A. Detector
    Explanation
    A detector is something that helps you identify or locate something. In this context, a detector can be used to detect or locate electricity. A lodestone is a type of magnetic rock and may not necessarily help in identifying or locating something. A series is a sequence of things and does not necessarily serve the purpose of identifying or locating something. Therefore, the most appropriate option is "detector".

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  • 10. 

    A component that uses the electricity from a source to make something happen.

    • Intersection

    • Electiricty receiver

    • Key

    • Patent

    Correct Answer
    A. Electiricty receiver
    Explanation
    An "electricity receiver" is a component that is designed to receive and use electricity from a source to initiate or cause a specific action or event to occur. It acts as a recipient of the electrical energy and converts it into a desired form of output, such as mechanical motion, heat, light, or sound. This term accurately describes a component that utilizes electricity to make something happen, making it the correct answer.

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  • 11. 

    Something that provides electric energy to make something happen.

    • Magnetism

    • Repel

    • Telegraph

    • Electricity source

    Correct Answer
    A. Electricity source
    Explanation
    An electricity source refers to something that provides electric energy to make something happen. In the context of the given options, magnetism and repel are not directly related to providing electric energy. A telegraph is a communication device that uses electricity, but it does not necessarily provide electric energy. Therefore, the most suitable option that aligns with the given explanation is "electricity source."

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  • 12. 

    To push away, as similar poles of two magnets push away from one another.

    • Attract

    • Switch

    • Graph

    • Repel

    Correct Answer
    A. Repel
    Explanation
    The given correct answer, "repel," is the appropriate term to describe the action of pushing away, as similar poles of two magnets push away from one another. When two magnets have the same polarity (either both north or both south), they repel each other, causing a force that pushes them apart. This phenomenon is due to the magnetic field lines of the magnets interacting and generating a repulsive force.

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  • 13. 

    A complete circuit through which electricity flows

    • Closed circuit

    • Series

    • Magnet

    • Lightning

    Correct Answer
    A. Closed circuit
    Explanation
    A closed circuit refers to a complete path that allows electricity to flow continuously. In a closed circuit, there are no breaks or gaps, ensuring that the current can flow from the power source to the load and back again. This is in contrast to an open circuit, where there is a break in the path, preventing the flow of electricity. Therefore, a closed circuit is the correct answer as it accurately describes a complete circuit through which electricity can flow without interruption.

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  • 14. 

    A piece of iron that behaves like a magnet when it is touching a permanent magnet.

    • Temporary magnet

    • Nail

    • Repel

    • Switch

    Correct Answer
    A. Temporary magnet
    Explanation
    A piece of iron that behaves like a magnet when it is touching a permanent magnet is called a temporary magnet. This means that the iron is able to temporarily acquire magnetic properties when in contact with a magnet, but it does not retain these properties when the magnet is removed.

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  • 15. 

    To pull toward one another, as opposite poles of two magnets pull toward one another.

    • Push

    • Attract

    • Magnetic field

    • Repel

    Correct Answer
    A. Attract
    Explanation
    When two magnets have opposite poles, they exert a force on each other that causes them to move closer together. This force is known as attraction. Therefore, the correct answer for this question is "attract".

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  • 16. 

    An individual item in a circuit

    • Key

    • Patent

    • Pole

    • Component

    Correct Answer
    A. Component
    Explanation
    A component is an individual item in a circuit. It refers to any part or element that is used in the construction or functioning of a circuit. Components can include resistors, capacitors, transistors, and other electronic devices that are interconnected to perform a specific function within the circuit. They are essential for the proper operation of the circuit and contribute to its overall functionality.

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  • 17. 

    A material that prevents the flow of electricity, commonly plastic, rubber, glass, or air.

    • Switch

    • Magnet

    • Gap

    • Insulator

    Correct Answer
    A. Insulator
    Explanation
    An insulator is a material that prevents the flow of electricity. It is commonly made of plastic, rubber, glass, or air. Insulators are used to protect against electrical shocks and to prevent the loss of electrical energy. They have high resistance to the flow of electric current, which means they do not allow the electrons to move freely. This property makes insulators suitable for use in electrical wiring, circuit boards, and other applications where the flow of electricity needs to be controlled or restricted.

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  • 18. 

    A circuit with only one pathway for current flow.

    • Intersection

    • Series circuit

    • Switch

    • Static

    Correct Answer
    A. Series circuit
    Explanation
    A series circuit is a circuit that has only one pathway for current flow. In a series circuit, the components are connected in a line, with the current passing through each component in sequence. This means that if one component fails or is removed, the entire circuit will be broken and no current will flow. Therefore, a series circuit fits the description of a circuit with only one pathway for current flow.

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  • 19. 

    The influence of a permanent magnet’s magnetic field on a piece of iron, which makes the iron act like a magnet.

    • Compass

    • Filament

    • Induced magnetism

    • Gap

    Correct Answer
    A. Induced magnetism
    Explanation
    Induced magnetism refers to the process where a piece of iron becomes magnetized when it is brought into the magnetic field of a permanent magnet. The magnetic field of the permanent magnet aligns the magnetic domains within the iron, causing it to act like a magnet itself. This phenomenon is temporary and the iron loses its magnetism once it is removed from the magnetic field. Therefore, induced magnetism is the correct answer as it accurately describes the influence of a permanent magnet's magnetic field on a piece of iron.

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  • 20. 

    Positive and negative electric charges that are separated from each other and are not moving.

    • Gap

    • Circuit

    • Parallel

    • Static electricity

    Correct Answer
    A. Static electricity
    Explanation
    Static electricity refers to the accumulation of positive and negative electric charges on objects that are not moving. These charges become separated from each other, creating an electric imbalance. Unlike in a circuit where charges flow in a continuous loop, static electricity remains stationary. It occurs when there is a buildup of electric charges due to friction or contact between different materials. This can lead to various phenomena, such as sparks, shocks, or the attraction of objects.

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  • Current Version
  • Mar 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 15, 2012
    Quiz Created by
    Sbandres
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