Home
Class 12
PHYSICS
Two wires of same metal have the same le...

Two wires of same metal have the same length but their cross- sections are in the ratio 3 :1 . They are joined in series. The resistance of the thicker wire is `10 Omega` . The total resistance of the combination will be

A

`40 Omega`

B

`100 Omega`

C

`(5)/(2) Omega`

D

`(40)/(3) Omega`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Two wires of same metal have the same length but their cross- sections are in the ratio 1 :3 . They are joined in series. The resistance of the thicker wire is 10 Omega . The total resistance of the combination will be

Two wires of the same metal have the same length, but their cross-sections are in the ratio of 3:1 . They are joined in series. The resistance of the thicker wire is 10 Omega . The total resistance of the combinations will be

Two wires of the same metal have same length, but their cross-sections are in the ratio 3:1 . They are joined in series. The resistance of thicker wire is 10 Omega . The total resistance of the combination will be

Two wire of the same meta have same length, but their cross-sections are in the rati 3:1 . They are joined in series. The resistance of thicker wire is 10Omega . The total resistance of the combination will be

Two wires A and B of the same material have their lengths in the ratio 1 : 5 and diameters in the ratio 3 : 2 . If the resistance of the wire B is 180 Omega , find the resistance of the wire A.

Two wires of same material and length have the radii of their cross sections as r and 2r, respectively. The ratio of their resistances