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Two different wires have specific
resistivity, lengths, area of cross section
are in the ratio 3:42:9 and 8:27
Then the ratio of resistance of two wires
is
9:16
8:27
27:&​

Answer 1

Explanation:

R=

a

ρl

R

2

R

1

=

ρ

2

ρ

1

l

2

l

1

a

1

a

2

=

4

3

9

2

8

27

=

16

9