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Electric Current and Resistance Quiz

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Questions and Answers

What is the SI unit of electric current?

Volt

Ampere (correct)

Ohm

Watt

What happens to the resistance in a wire when its length is doubled, keeping the area of cross-section constant?

It doubles (correct)

It quadruples

It becomes half

It remains the same

Which material has the highest electrical conductivity?

Gold

Silver (correct)

Copper

Aluminum

Electric Current and Resistance Quiz

Choose a study mode

Podcast

Questions and Answers

What is the SI unit of electric current?

What happens to the resistance in a wire when its length is doubled, keeping the area of cross-section constant?

Which material has the highest electrical conductivity?

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