Power & fuses

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

The power company bills you by

• The amount of electric current you use

• The amount of electric power you use

• The amount of electric energy you use

• The amount of voltage you use

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

• P=I x V
• V+ P = I
• I x P = V

This is the circuit symbol for ...

• an AC current source
• a DC current source
• an ammeter
• a voltmeter

Tags

NGSS.HS-PS2-5

This is the circuit symbol for ...

• an AC current source
• a DC current source
• an ammeter
• a voltmeter

What is the power of a resistor which has 10A flowing through it and a voltage of 50V

• 500W

• 5W

• 0.2W

• 5000W