Task 4.4 Review

The units used to measure voltage is

• Volts

• Ohms

• Amps

• m/s

The units used to measure current is

• Volts

• Ohms

• Amps

• m/s

The units used to measure resistance is

• Volts

• Ohms

• Amps

• m/s

• ohms

• volts

• amps

• meters

In wire #2, there is

• an electric current flowing toward the bulb.

• an electric current flowing away from the bulb.

• no electric current fl owing at all.

Compared to wire #1, wire #2 carries

• more electric current.

• the same amount of electric current.

• no electric current at all.

• some electric current, but less than wire #1.

An ammeter is used to measure

• current

• voltage

• resistance

What is the voltage of 1 AA battery?

• 1 V

• 1.5 V

• 2 V

• 3 V

What is the voltage of 2 AA batteries?

• 1 V

• 1.5 V

• 2 V

• 3 V

Which direction do electrons flow in a circuit?

• From positive to negative

• from negative to positive

• In both directions