Question

Two wires of same material having lengths and radii in the ratio of 3:4 and
3:2 respectively are connected in parallel with a potential source of 6V.
The ratio of currents flowing through them, I1:I2=​

Answer 1

Answer:

3:1

Explanation:

Two wires of same material having lengths and radii in the ratio of 3:4 and 3:2 respectively are connected in parallel with a potential source of 6V. The ratio of currents flowing through them, I

1

:I

2

= _________.

MEDIUM

Share

Study later

ANSWER

We know that

R

1

=ρ

A

1

I

1

=ρ

πr

1

2

I

1

R

2

=ρ

πr

2

2

I

2

R

2

R

1

=

I

2

I

1

×(

r

1

r

2

)

2

V/I

2

V/I

1

=

I

2

I

1

⋅(

r

1

r

2

)

2

(∵ wire connected in parallel)

I

1

I

2

=

4

3

×(

3

2

)

2

I

1

:I

2

=9×4:4×3

=3:1

Answer 2

Answer:

hear is ur answer

Explanation:

mark me brilliant please