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.

The values of resistances P, Q, R, and S of a Wheatstone bridge are 2

1.	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» E.