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AP EAMCET202022 Sep 2020Morning ShiftPhysicsCurrent ElectricityActual

Potential difference between the points P and Q in the circuit shown is

Options

  1. A4.5 ~V
  2. B2.4 ~V
  3. C2.4V
  4. D2.88V

Correct answer

D. 2.88V

Step-by-step solution

The given circuit diagram is Equivalent resistance between point P and Q is given as aligned 1 R_ P Q & = 1 R_A+R_D + 1 3 + 1 R_B+R_C & = 1 2+6 + 1 3 + 1 4+12 = 1 8 + 1 3 + 1 16 1 R_ P Q & = 25 48 R_ P Q = 48 25 aligned Potential difference between the points P and Q is given as V_ P Q =I R_ P Q =1.5 48 25 =2.88 ~V

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