Home
Class 12
PHYSICS
You are given a wire of length 100 cm an...

You are given a wire of length 100 cm and linear resistance of 1 ohm/cm. if it is cut into two parts, so that when they are in parallel, the effective resistance is 24 ohm. The lengths of the two parts are

A

30 cm & 70 cm

B

60 cm & 40 cm

C

70 cm & 30 cm

D

20 cm & 80 cm

Text Solution

Verified by Experts

The correct Answer is:
B
Comnbination of resistors
Promotional Banner

Similar Questions

Explore conceptually related problems

A wire has a resistance of 6 Omega . It is cut into two parts and both half values are connected in parallel. The new resistance is ....

The resistance of the wire is 121 ohm .It is divided into 'n' equal parts and they are connected in parallel,then effective resistance is 1ohm .The value of 'n' is

A wire has a resistance of 12 ohm . It is bent in the form of equilateral triangle. The effective resistance between any two corners of the triangle is

A wire of resistance r is cut into m equal parts. These parts are then connected in parallel . The equivalent resistance of the combination will be

A wire of resistance R is cut into ‘ n ’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be