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NTA Abhyas JEE Main2020PhysicsCurrent ElectricityPractice

In the circuit shown below, the voltmeter is of large resistance. The E.M.F. of the cell is ε . The reading of the voltmeter is

Options

  1. Azero
  2. Bε 10
  3. Cε 5
  4. Dε 2

Correct answer

C. ε 5

Step-by-step solution

From the figure, it is clear that V A – V B = ε 4 + 6 × 4 = 4 ε 10 V A – V D = ε 6 + 4 × 6 = 6 ε 10 V B – V D = ε 5

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