Electricity and Magnetism Quiz

Who discovered the relationship between electricity and magnetism?

• Michael Faraday

• Hans Christian Oersted

• James Clerk Maxwell

• Nikola Tesla

What happens to the magnetic field when you reverse the current in a wire?

• It disappears

• It becomes stronger

• It reverses direction

• It stays the same

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Which of these is a renewable energy source?

• Coal

• Natural Gas

• Wind

• Nuclear

What type of transformer decreases voltage for safe home use?

• Step-up transformer

• Step-down transformer

• Voltage regulator

• Magnetic transformer

What unit is used to measure electrical power?

• Joule

• Watt

• Ampere

• Volt

The magnetic field around a current-carrying wire is strongest:

• Far from the wire

• Close to the wire

• At the ends of the wire

• Near the battery

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Which material is most used in making electromagnets?

• Copper

• Iron

• Aluminum

• Plastic

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Magnetic field lines run from _______ to _______.

• South to North

• North to South

• East to West

• West to East

What is the function of a turbine in a power plant?

• Convert electrical energy into motion

• Spin generators to produce electricity

• Store energy for future use

• Increase the voltage of electricity

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Which of the following is an example of a temporary magnet?

• Bar magnet

• Lodestone

• Iron nail in a magnetic field

• Compass needle