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COMEDK2018PhysicsCurrent Electricity

The potential difference between A and B in the following figure is

Options

  1. A32 ~V
  2. B48 ~V
  3. C24 ~V
  4. D14 ~V

Correct answer

B. 48 ~V

Step-by-step solution

Applying Kirchhoff's voltage law, we get array ll -V_ A B +6 2+12+9 2-4+5 2=0 & -V_ A B +48=0 & V_ A B =48 ~V array

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