Electric Current Quiz

Explain what is meant by an electric current.

• The flow of electric charge

• The resistance to electric flow

• The potential difference between two points

• The energy consumed by an electric device

State the units of electric current.

• Volts

• Amperes

• Ohms

• Watts

What causes a current to flow around a circuit?

• Voltage

• Resistance

• Capacitance

• Inductance

Calculate the resistance of each resistor. V = 6V, I = 2A, R =

• 3Ω

• 2Ω

• 4Ω

• 5Ω

Calculate the resistance of each resistor. V = 12V, I = 3A, R =

• 4Ω

• 3Ω

• 5Ω

• 6Ω

Calculate the resistance of each resistor. V = 2V, I = 4A, R =

• 0.5Ω

• 1Ω

• 2Ω

• 4Ω

Calculate the resistance of each resistor. V = 7V, I = 3.5A, R =

• 2Ω

• 1Ω

• 3Ω

• 4Ω

Calculate the resistance of each resistor. V = 8V, I = 1A, R =

• 8Ω

• 10Ω

• 5Ω

• 12Ω

Calculate the voltage V across each resistor. I = 1A, R = 7Ω, V =

• 7V

• 5V

• 10V

• 3V

Calculate the voltage V across each resistor. I = 3A, R = 4Ω, V =

• 12V

• 10V

• 15V

• 8V