Understanding Ohm's Law

What is the voltage across a resistor if the current is 2A and the resistance is 5Ω?

• 10V

• 2V

• 15V

• 5V

If a circuit has a voltage of 12V and a resistance of 4Ω, what is the current flowing through the circuit?

• 2A

• 4A

• 6A

• 3A

Calculate the resistance if the voltage is 24V and the current is 3A.

• 6Ω

• 12Ω

• 10Ω

• 8Ω

A circuit has a current of 1.5A and a resistance of 10Ω. What is the voltage?

• 12V

• 5V

• 20V

• 15V

If the voltage is 9V and the current is 0.5A, what is the resistance in the circuit?

• 18 ohms

• 4.5 ohms

• 27 ohms

• 9 ohms

Determine the current if the voltage is 30V and the resistance is 15Ω.

• 5A

• 2A

• 3A

• 1A

What is the voltage if the current is 4A and the resistance is 8Ω?

• 16V

• 32V

• 40V

• 24V

A resistor has a resistance of 20Ω and the current flowing through it is 0.25A. What is the voltage?

• 10V

• 15V

• 5V

• 25V

If the voltage is 50V and the resistance is 25Ω, what is the current?

• 3A

• 4A

• 1A

• 2A

Calculate the resistance if the voltage is 15V and the current is 5A.

• 10 ohms

• 1 ohm

• 3 ohms

• 5 ohms