Regents Physics Circuits Module 2 Review

The power of an appliance is...

• the amount of voltage going through it 
• the amount of energy transferred per second
• the amount of charge that passes through per second

Electrical power can be calculated using

• Resistance x Voltage
• Voltage x Current 
• Voltage ÷ Current

Watts is the same as...

• Joules per second
• Voltage per second
• Current per second

The unit of energy is?

• Amp

• Joule

• kiloWatt

• Volt

Calculate the voltage applied when a 60 watt light-bulb uses a current of 5 amps

• 300 volts

• 30 volts

• 12 volts

• 0.08 volts

Calculate the power generated as a 20 A current flows through a 10Ω resistor?

• 2 W

• 200 W

• 4000 W

• 400 W

What is the power of a 20V bulb with 5A through it?

• 100W
• 100V
• 6.3W
• 6.3A

• 0.237 ohm

• 3.67 ohm

• 16.4 ohm

• 807 ohm

• 6 W

• 100 W

• 6000 W

• 3.24 x 10⁸ W

This is an example of a _______ circuit

• open
• series
• parallel
• square