Electricity and Magnetism Review

Front

What exerts a force that causes other electric charges to move?

Back

Electrical fields.

Front

Which statement about electric charge is true?

Back

Electrical forces act at a distance.

Front

What type of circuit has multiple paths for current to flow?

Back

Parallel circuit.

Front

Electric charges always flow from _______ areas to _______ areas.

Back

Negative areas to positive areas.

Front

What is the formula to calculate current in a circuit?

Back

I = V/R.

Front

What is the unit of electric current?

Back

Ampere (amps).

Front

What is the relationship between voltage, current, and resistance?

Back

Ohm's Law: V = IR.

Front

What is a conductor?

Back

A material that allows electric charges to flow easily.

Front

What is an insulator?

Back

A material that resists the flow of electric charges.

Front

What is the effect of increasing resistance in a circuit?

Back

It decreases the current for a given voltage.