Math, asked by rekhac00, 5 months ago

A 4 ohm resistor of length l stretched such that it becomes 2l . Find new resistance.

Answers

Answered by sunitamittal1385

0

Answer:

8 ohm

Step-by-step explanation:

As we know;

R = Pl/A

so, if l is doubled;

R = P*2l/A

R = 2(Pl/A)

R = 2(R) (given:R=4ohm)

R = 2*4

R = 8 ohm

HOPE YOU ARE SATISFIED.

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