Concept of Charge and Current

Can an electron flow?

• Yes

• No

What is charge a measure of?

• The rate at which water flows through a river.

• The total amount of water that has flowed down a hill within a certain time.

• The total current that flowed within a certain period of time.

• The force exerted by an electric field.

Which letter represents electric charge?

• I

• t

• Q

• C

What is the standard unit for measuring electric charge?

• Amperes (A)

• Seconds (s)

• Volts (V)

• Coulombs (C)

A kettle draws a current of 12 Amps and takes 50 seconds to boil. How much charge passed through the wire?

• 60 Coulombs

• 600 Coulombs

• 6000 Coulombs

• 6 Coulombs

A phone charger transfers a total charge of 43.2 kC over a period of 2 hours. What current flowed through the wire?

• 3 Amps

• 6 Amps

• 12 Amps

• 24 Amps