Zener Diode and Potentiometer Quiz
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Questions and Answers

What is the expected reading of the voltmeter in the given circuit?

  • $0.20 V$
  • $0.75 V$ (correct)
  • $0.50 V$
  • $0.25 V$

    • If an ideal voltmeter is connected as shown with jockey J at 50 cm from end A, what is the current IZ through the Zener in the given circuit?

  • $17 mA$
  • $7 mA$ (correct)
  • $15 mA$
  • $10 mA$

    • What is the acceleration of the centre of mass of the particles A, B, C and D at the corners of a square?

  • $rac{GM}{1.35}$
  • $5 rac{1}{ oot{2} ight} - rac{1}{ oot{2} ight} rac{GM}{1.16}$
  • $Zero$ (correct)
  • $rac{GM}{1.21}$

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