Physics, asked by sushitrash97, 11 months ago

A wire of given material having length l of cross-section A
has a resistance of 4 ohm . What would be the resistance of another wire
of the same material having length l/2 and area of cross-section 2A?​

Answers

Answered by Anonymous
9

Answer:

Refer the attached picture.

Attachments:
Answered by kass36
2

Answer:

1 ohm

Explanation:

R=rho l/A

R`=rho I/2/2A

=rho I/4A

=1/4 rho I/A

=1/4 R

=1/4 × 4

=1 ohm

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