Ohm's Law Quiz

What is the formula for Ohm's Law?

• I = R / V

• I = V * R

• I = V / R

• I = V + R

In Ohm's Law, what does 'V' represent?

• velocity

• voltage drop

• voltage

• volume

In Ohm's Law, what does 'I' represent?

• Current

• Voltage

• Power

• Resistance

In Ohm's Law, what does 'R' represent?

• Reactance

• Reluctance

• Resistor

• Resistance

What is the unit of measurement for resistance?

• Volt

• Ampere

• Joule

• Ohm (Ω)

If the voltage in a circuit is 12 volts and the resistance is 4 ohms, what is the current?

• 4 amperes

• 3 amperes

• 6 amperes

• 2 amperes

If the current in a circuit is 0.5 amps and the resistance is 10 ohms, what is the voltage?

• 2 volts

• 5 volts

• 7 volts

• 3 volts

If the voltage in a circuit is 9 volts and the current is 3 amps, what is the resistance?

• 6 ohms

• 2 ohms

• 5 ohms

• 3 ohms

What happens to the current in a circuit if the resistance is increased?

• The current in the circuit remains the same.

• The current in the circuit fluctuates.

• The current in the circuit increases.

• The current in the circuit decreases.

How does the voltage change in a circuit if the resistance is decreased?

• Voltage remains the same

• Voltage fluctuates

• Voltage decreases

• Voltage increases