Ohm's Law Quiz Engineering Mindeset

Who developed Ohm's Law?

• Georg Ohm

• Andre Ampere

• Einstein

• Paul

What is the relationship between voltage, current, and resistance?

• Random relationship

• No relationship

• Inversely proportional

• Directly proportional

Which formula represents Ohm's Law as voltage equals current multiplied by resistance?

• V = I * R

• V = I + R

• V = I - R

• V = I / R

What is the unit of current?

• Watt

• Ohm

• Volt

• Ampere

What happens to the current when the resistance is doubled?

• Current halves

• Current doubles

• Current becomes zero

• Current remains the same

What is the resistance of a lamp connected to a 12 volt power supply with a current of 0.5 Amps?

• 12 Ohms

• 6 Ohms

• 24 Ohms

• 18 Ohms

What is the current when a lamp with a resistance of 240 Ohms is plugged into a US outlet with 120 volts?

• 4 Amps

• 2 Amps

• 1 Amp

• 0.5 Amps

What is the voltage being applied when a lamp with a resistance of 240 Ohms is plugged into a UK outlet with a current of 0.958 Amps?

• 110 volts

• 120 volts

• 220 volts

• 240 volts

What is the relationship between current and voltage?

• Directly proportional

• Inversely proportional

• No relationship

• Random relationship

What is the relationship between current and resistance?

• Random relationship

• Inversely proportional

• No relationship

• Directly proportional