Electricity & Magnetism

Front

_________ charges attract.

Back

Opposite

Front

A flashlight bulb connected to a 6 V battery draws 0.5 A current. What is the power used by the flashlight?

Back

3 W

Front

Device that uses electromagnetic induction to convert mechanical energy to electrical energy.

Back

Generator

Front

Lightning is caused by a giant buildup of _________.

Back

static charge

Front

Which type of magnets keep their magnetic properties?

Back

Permanent magnets

Front

What is the unit of electric current?

Back

Ampere (A)

Front

What is the formula for calculating electrical power?

Back

Power (P) = Voltage (V) × Current (I)

Front

What is the effect of increasing resistance in a circuit with constant voltage?

Back

Decreased current.

Front

What is the principle behind electromagnetism?

Back

Electric current produces a magnetic field.

Front

What is a conductor?

Back

A material that allows electric current to flow easily.