The values of resistances P, Q, R, and S of a Wheatstone bridge are 20, 15, 30, and 35 ohms respectively. Calculate the current passing through the battery of negligible resistance.
A. 0.36A
B. 22.22A
C. 0.25A
D. 0.45A
Answer:D
The values of resistances P, Q, R, and S of a Wheatstone bridge are 20, 15, 30, and 35 ohms respectively. Calculate the current passing through the battery of negligible resistance.
A. 0.36A B. 22.22A C. 0.25A D. 0.45A