Vocabulary Practice - Electromagnetism

The rate at which the electric charges move. It is measured in amperes (A).

• Voltage

• Current

• Resistance

A material that freely allows the flow of charge.

• Resistance

• Insulator

• Conductor

A material that does NOT allow the flow of charge.

• Insulator

• Resistance

• Conductor

Is the force (change in electrical potential energy) that causes electric charges to move. It is measured in volts (V).

• Current

• Voltage

• Watts

The amount of opposition to electrical current.

• Power

• Current

• Resistance

The amount of electrical energy in a circuit. P=IV

• Power

• Alternating Current

• Ohm

The unit for measuring voltage (V)

• Ampere

• Ohm

• Volt

The unit for measuring current.

• Ampere

• Ohm

• Watts

The unit for measuring electrical resistance.

• Watts

• Ohm

• Volt

The unit for power.

• Watts

• Volt

• Ampere