Electric Motor Practice

Front

Opposite Poles ___________________________.

Back

Attract each other.

Front

Like poles ____________.

Back

Repel each other.

Front

A motor is a device used to convert electrical energy into _________ energy.

Back

mechanical

Front

____________ are created by passing current through a wire.

Back

Electromagnets

Front

Look at the picture: what is letter A?

Back

DC Source

Front

Look at the picture: what is letter B?

Back

Commutator

Front

Look at the picture: what is letter C?

Back

Brush

Front

Look at the picture: what is letter D?

Back

Stator

Front

Look at the picture: what is letter E?

Back

Rotor

Front

How can the turning effect of a current-carrying coil in a magnetic field be increased? Options: increase the number of turns on the coil, reduce the size of the current, reverse the direction of the magnetic field, use thinner wire for the coil

Back

increase the number of turns on the coil