Electrical Circuits Quiz

_______ allow the flow of electrons

The equation used to calculate electric charge is

• I × t

• I∕t

• t∕I

A flashlight draws a current of 0.5 A. If the flashlight is turned on for 2 mins, how much electric charge flows through it?

• 60 C

• 0.004 C

• 240 C

Electric charge is measured in

• Amperes (A)

• Watts (W)

• Coulombs (C)

• Joules (J)

Energy is measured in

• Amperes (A)

• Watts (W)

• Coulombs (C)

• Joules (J)

Current is measured in

• Amperes (A)

• Volts (V)

• Coulombs (C)

• Joules (J)

A smartphone battery has a total electric charge 2400 C. If the phone uses a current of 2 A, how long will it take to completely drain the battery?

• 4800 s

• 1200 s

• 0.0008 s

Sarah is using a portable charger to charge her tablet. If the charger supplies a total electric charge of 4000 C during the charging process and takes 5 hrs to do so, what is the average current provided by the charger?

• 4.5 A

• 72 A

• 0.222 A

________ do not allow the flow of electrons

_____ circuits have multiple pathways for the flow of current