Question
Physics Question on Current electricity
The resistances in the two arms of the meter bridge are 5Ω and RΩ, respectively. When the resistance R is shunted with an equal resistance, the new balance point is at 1.6 l1. The resistance 'R', is:
A
15Ω
B
20Ω
C
25Ω
D
10Ω
Answer
15Ω
Explanation
Solution
The correct option (A): 15Ω