Question

Two cells of emf and are connected as shown in figure. When a potentiometer is connected between A and B, the balancing length of the potentiometer wire is 300cm. When the sameΒ potentiometer is connected between A and C, the balancing length is 100cm. The ratio of and is

214053
expand
A

3 : 2

B

4 : 3

C

5 : 4

D

2 : 1

Hard

Solution

verified
Verified by Toppr
Correct option is A)

For balance potentiometer :
or
or
or or
or

Solve any question of Current Electricity with:-

Was this answer helpful?

upvote 0
downvote0

Similar questionsstar-struck