Multiple choice

If R1 = R2 = R4 and R3 = 1. 1R in the bridge circuit shown in figure, then the reading in the ideal voltmeter connected between a and b is

  1. 0.238 V

  2. 0.138 V

  3. -0.238 V

  4. 1 V

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation