SaraNextGen.Com


Two wires have lengths, diameters and specific resistances all in the ratio of 1 : 2. The resistance of the first wire is . Resistance of the second wire in ohm will be

a)

5

b)

10

c)

20

d)

Infinite


Question ID - 150970 | Toppr Answer

Two wires have lengths, diameters and specific resistances all in the ratio of 1 : 2. The resistance of the first wire is . Resistance of the second wire in ohm will be

a)

5

b)

10

c)

20

d)

Infinite

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

Give that,

We know that, the resistance of the wire

So, the resistance of first wire is

and the resistance of the second wire is

On dividing Eq. (ii) by Eq (i)



SaraNextGen