Basics of DC Electricity

The rate of electron flow is called:

• current

• voltage

• power

• electricity

The push or force on electrons in a circuit is called

• current

• voltage

• power

• electricity

Which one of these options is a multiple of two of the others

• current

• voltage

• power

• electricity

The flow of electrons through a conductor is called

• current

• voltage

• power

• electricity

An 18V / 0.5A solar panel produces how much power?

• 18.5W

• 18W

• 36W

• 9W

If you have a 5V solar cell and want to produce 10W of power, how much current do you need?

• 2A

• 5A

• 50A

• 0.5A

If a solar panel is powering a motor with 20W and a current of 2A, what is the voltage?

• 22V

• 40V

• 10V

• 0.1V

Current is measured in

• Watts (W)

• Volts (V)

• Amps (A)

• Charge (C)

Voltage is measured in

• Watts (W)

• Volts (V)

• Amps (A)

• Charge (C)

Power is measured in

• Watts (W)

• Volts (V)

• Amps (A)

• Charge (C)