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Calucate the new resistance of the …

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Calucate the new resistance of the wire if area becomes half

Posted by Abhi Shek 5 years, 8 months ago

CBSE > Class 10 > Science

5 answers

Sanket Sundar 5 years, 8 months ago

Let R=pl/A and R'=pl/A/2 => R'=2{pl/A} => R'=2R।

Sanket Sundar 5 years, 8 months ago

Sorry my mistake

Sanket Sundar 5 years, 8 months ago

Let R=pl/A , and R'=pl/A/2 => 2R' =pl/A ।। So, 2R'=R

Abhi Shek 5 years, 8 months ago

How

Lucifer?? Morningstar?? 5 years, 8 months ago

New resistance become double

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