Ohms Law Quiz Level 2 & 3

What potential is produced across a resistance of 15Ω if a current of 12A is flowing through it?

• 180V

• 150V

• 200V

• 120V

A current of 15A flows through a resistor and a voltage of 200V is measured across it. Calculate the value of the resistor.

• 13.33Ω

• 15Ω

• 10Ω

• 20Ω

When a current of 4.7A is flowing through a resistor, a voltage of 250V is measured across the resistor. Calculate the value of the resistor.

• 53.19Ω

• 47.5Ω

• 55Ω

• 60Ω

What is the current flowing in a circuit when a voltage of 212V is present across a resistance of 4.7Ω?

• 45.11A

• 50A

• 40A

• 55A

A voltage of 24V is measured across a resistor of 450Ω. Calculate the current flowing in the circuit.

• 0.053A

• 0.067A

• 0.045A

• 0.060A

A cable of resistance of 0.057Ω carries a current of 149.27A. What will be the voltage drop in the cable?

• 8.51V

• 7.52V

• 6.78V

• 5.67V

A cable has a resistance of 2.7Ω. What is the maximum current it can carry if the voltage drop is not to exceed 11.5V?

• 4.26A

• 3.89A

• 5.12A

• 4.25A

Calculate the resistance of a resistor if a current of 3.5A flows through it and a voltage of 105V is measured across it.

• 30Ω

• 35Ω

• 25Ω

• 40Ω

If a voltage of 330V is applied across a resistor and a current of 11A is measured, what is the resistance of the resistor?

• 30Ω

• 25Ω

• 35Ω

• 40Ω

A resistor has a resistance of 220Ω. What is the current flowing through it when a voltage of 44V is applied?

• 0.2A

• 0.15A

• 0.25A

• 0.3A