Electrical Power and Potential Difference

Which label points to the Fuse on the diagram?

• C

• D

• E

• F

Which label points to the Live Wire on the diagram ?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-5

TV is 240V and 800W. What is the suitable fuse rating for the TV?

• 1 A

• 2 A

• 3 A

• 5 A

Heater is 240V and 2200W. What is the suitable fuse rating for the heater?

• 10 A

• 13 A

• 3 A

• 5 A

Electric current is measured in

• kWh

• Amps

• Ohms

• Watts

Electric power is measured in

• kWh

• Amps

• Ohms

• Watts

Electric energy is measured in

• kWh

• Amps

• Ohms

• Watts

Tags

NGSS.HS-PS3-5

Resistance is measured in

• kWh

• Amps

• Ohms

• Watts

The rate at which electric energy is used is called

• Electric energy

• Electric power

• Voltage difference

• Electric current

Power is defined as voltage times amperage. The equations is ___.

• P=I x V
• V+ P = I
• I x P = V