Question

Two different wires have specific resistivity, lengths, area of cross-section are in the ratio 3 : 4, 2 : 9 and 8 : 27. Then the ratio of resistance of two wires is________.
please tell me​

Answer 1

Answer:

9/16

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