Science, asked by kunal20049, 10 months ago

A wire has resistance of 4 ohm? what will be the new resistance of the wire if it's sad to be 4 times of its length?

Answers

Answered by botanyliker

it may help u .....

thanks ..

Attachments:

kunal20049: I am also getting this answer but the correct answer is 64 ohm

botanyliker: ok

botanyliker: let me try it again

kunal20049: okk

botanyliker: now look

kunal20049: but why you write cube of 4

botanyliker: its formula

botanyliker: as much increase

botanyliker: its will be to the power

Answered by nameetjain86

16 times of the initial

As R is directly proportional to l2

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