Electricity Quiz

What is electric current?

• Heating effect of current

• Potential difference

• Resistance to electric flow

• Flow of electric charge

What does an electric circuit consist of?

• A single resistor

• An open switch

• A closed loop for current

• A battery only

What is electric potential?

• Power consumed

• Resistance in a circuit

• Flow of electrons

• Energy per unit charge

What does Ohm's Law state?

• Voltage equals current times resistance

• Power equals voltage times current

• Resistance equals voltage divided by power

• Current equals voltage divided by resistance

What is resistance?

• Amount of charge

• Rate of energy consumption

• Voltage in a circuit

• Opposition to current flow

What is electrical resistivity?

• Voltage across a resistor

• Flow of electric charge

• Power consumed by a device

• Material's opposition to current

What is the purpose of a resistor in a circuit?

• To limit current flow

• To convert AC to DC

• To increase voltage

• To store energy

What is the heating effect of current?

• Power loss in a circuit

• Increase in electric potential

• Cooling effect of voltage

• Heat generated by resistance

What is electric power?

• Resistance times current

• Voltage times current

• Total energy consumed

• Rate of doing work

What is a domestic electric circuit?

• High voltage transmission

• Wiring in homes

• Battery-operated devices

• Industrial power supply