Current Electricity Quiz

What is the SI unit of electric current?

• Ohm

• Ampere

• Volt

• Watt

What is the formula for electric current?

• I=V/R

• I=R/V

• I=VxR

• I=V+R

Who formulated Ohm's law?

• Michael Faraday

• James Clerk Maxwell

• Georg Simon Ohm

• Thomas Edison

What does Ohm's law state?

• The current passing through a conductor is directly proportional to the voltage across it, and inversely proportional to the resistance.

• The current passing through a conductor is directly proportional to the resistance, and inversely proportional to the voltage across it.

• The voltage across a conductor is directly proportional to the current passing through it, and inversely proportional to the resistance.

• The resistance of a conductor is directly proportional to the voltage across it, and inversely proportional to the current passing through it.

What is the SI unit of electric resistance?

• Ohm

• Ampere

• Volt

• Watt

What is the formula for electric resistance?

• R=V/I

• R=I/V

• R=VxI

• R=V+I

Which material has the highest electrical resistance?

• Silver

• Copper

• Aluminum

• Nichrome

Which of the following materials is commonly used in electrical wires due to its low resistance?

• Silver

• Copper

• Aluminum

• Tungsten

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

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What happens to the current in a circuit if the voltage is doubled?

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