ElectroMagnetism

Front

What is a galvanometer?

Back

A galvanometer is an instrument used to detect and measure small electric currents.

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Front

What is an electric motor?

Back

An electric motor is a device that converts electrical energy into mechanical energy, causing a wire or coil to spin.

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Front

What happens when an atom gains electrons?

Back

The atom becomes negatively charged.

Front

What do unlike magnetic poles do?

Back

Unlike magnetic poles attract each other.

Front

What creates a magnetic force on an atomic level?

Back

Electrons create a magnetic force due to their movement.

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Front

What type of field does the Earth produce?

Back

The Earth produces its own magnetic field.

Front

What is the relationship between electric current and magnetic fields?

Back

An electric current generates a magnetic field around the conductor.

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Front

What is the unit of electric current?

Back

The unit of electric current is the Ampere (A).

Front

What is electromagnetic induction?

Back

Electromagnetic induction is the process of generating electric current from a changing magnetic field.

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Front

What is a magnetic field?

Back

A magnetic field is a region around a magnet where magnetic forces can be detected.

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