U5 Review: Electricity, Magnetism, Ohms Law, Ciruits, Generator

Front

What part of a circuit stops the current?

Back

Switch

Front

As the resistance in a circuit increases, the electric current __________.

Back

Decreases

Front

How are electromagnets different from permanent magnets?

Back

You can turn an electromagnet on/off.

Front

What is the opposition to the flow of charges in a material?

Back

Resistance

Front

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

Back

3 ohms

Front

What is Ohm's Law?

Back

Voltage = Current x Resistance (V = I x R)

Front

What is the unit of electric current?

Back

Ampere (A)

Front

What is the unit of resistance?

Back

Ohm (Ω)

Front

What is the function of a battery in a circuit?

Back

To provide electrical energy.

Front

What is a series circuit?

Back

A circuit where components are connected in a single path.