Solve this-Q-10- State the change in the ammeter reading observed when a resistance wire in a circuit is nbsp-replaced by a wire of same matertial and same length but comparatively double cross - section area- keeping the source of potential difference the same-

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Standard VII

Physics

Symbols of Electric Components

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Q.10. State the change in the ammeter reading observed when a resistance wire in a circuit is replaced by a wire of same matertial and same length but comparatively double cross - section area, keeping the source of potential difference the same.

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Solution

Dear Student
If the wire has same length and is of same material and double the crossection than the resistance becomes half.As we know I=V/R and V is same so current reading in ammeter will be double of the previous.
Regards

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Solve this: Q.10. State the change in the ammeter reading observed when a resistance wire in a circuit is replaced by a wire of same matertial and same length but comparatively double cross - section area, keeping the source of potential difference the same.

Dear Student If the wire has same length and is of same material and double the crossection than the resistance becomes half.As we know I=V/R and V is same so current reading in ammeter will be double of the previous. Regards

Solve this:
Q.10. State the change in the ammeter reading observed when a resistance wire in a circuit is replaced by a wire of same matertial and same length but comparatively double cross - section area, keeping the source of potential difference the same.

Dear Student
If the wire has same length and is of same material and double the crossection than the resistance becomes half.As we know I=V/R and V is same so current reading in ammeter will be double of the previous.
Regards