Question
Physics Question on Wheatstone Bridge
A Wheatstone network is balanced with respective resisto$ 5Ω. l0Ω. 20 Ω and 40 Ω in tbe P. 0. R and S arms. If a 40 Ω) resisror is connecred across S arm. Then the bridge is again balanced by connecting
A
10Ω across R
B
l0Ω across P
C
20Ω across 0
D
20Ω across P
E
10Ω across Q
Answer
10Ω across R
Explanation
Solution
The correct option is (A) : 10Ω across R