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Manipal MET2010PhysicsCurrent Electricity

A battery of emf 10 V is connected to resistance as shown in figure. The potential difference V_A-V_B between the points A and B is

Options

  1. A-2 ~V
  2. B2 V
  3. C5 V
  4. D20 11 ~V

Correct answer

B. 2 V

Step-by-step solution

R_ eq =5 , current i= 10 5 =2 ~A and current in each branch =1 ~A . Potential difference between C and A , V_C-V_A=1 1=1 ~V ...(i) Potential difference between C and BV_C-V_B=1 3=3 V...(ii) On solving Eqs. (i) and (ii) we get V_A-V_B=2 ~V

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