Electricity

What do charged particles experience in an electric field?

• Resistance

• A force

• Static

What is the charge transferred per unit time

• The voltage

• The energy

• The power

• The current

What is the energy stored per Coulomb charge known as?

• The voltage

• The current

• The power

• The resistance

Describe an alternating current.

• The charges move back and forth

• The charges move back and forth repeatedly

• The charges move in only one direction

• The charges move up and down

Describe a direct current.

• The charges move back and forth repeatedly

• The charges stay still

• The charges move back and forth

• Charges move in only one direction

What type of current is displayed on the oscilloscope?

• AC

• BC

• CC

• DC

What type of current is shown on the oscilloscope trace?

• AC

• BC

• CC

• DC

What is the unit of charge?

• Amps

• Coulombs

• Ohms

• Volts

What is the unit of current

• Amps

• Coulombs

• Ohms

• Volts

A hair dryer is connected to a 230 V supply. The current in the hair dryer is 2.0 A.

The electrical charge that passes through the hair dryer in 5 minutes is:

• 10 C

• 460 C

• 600C

• 1150 C

• 2300 C