Physics, asked by kvtulsi0505, 10 months ago

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Class 10
Physics

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Answered by tejastorke

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Explanation:

thanks...I think u got help.....bye

Mark brilliantest

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Answered by darshans52

0

Explanation:

a) the formula is :-

R= pl/A

where,

R is resistance

p is rho means resistivity

l is length

A is area of cross section

S I unit is ohm meter

B) see the attachment

PLS mark me a brainlist pls

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