Physics, asked by PeaceIsLove, 24 days ago

when length and area of cross section both are tripled for a conductor of given material then its resistance?

Answers

Answered by alabdullha29

2

Answer:

Solution

verified

Verified by Toppr

Correct option is C)

Resistance of the wire R=ρ

A

L

Given; L

′

=2L and A

′

=2A

∴ New resistance R

′

=

A

′

ρL

′

=ρ

2A

2L

=R

Thus its resistance will remain the same.

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