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​

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