Voltage, Current, and Resistance

How much energy or pushing force available to move electrons through a circuit is known as __________ and is measured using __________.

• Resistance, Ohms

• Voltage, Volts

• Current, AMPS

An electric charge flows form

• high energy to low energy

• low energy to high energy

If you add more light bulbs to a series circuit the light bulbs will become

• brighter

• dimmer

• stay the same

True or false: Light bulbs in a series circuit share voltage.

• True

• False

Light bulbs in a parallel circuit will have

• the same brightness

• different brightness

The rate of flow of electrons through a wire is known as __________ and is measured using __________.

• resistance, Ohms

• voltage, Volts

• current, AMPS

True or false: Current in a series circuit is different for each resistor (light bulb).

• True

• False

A battery uses direct current meaning

• the current flows in one direction

• the current flows back and forth

A household appliance that plugs in to the wall uses alternating current meaning

• the current flows in one direction

• the current flows back and forth

The tendency for materials to oppose the flow of electricity is known as __________ and is measured using ___________.

• resistance, Ohms

• current, AMPS

• voltage, Volts