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What is value of current I in given circuit

Options

  1. A6 m A
  2. B10 m A
  3. C4 m A
  4. Dzero

Correct answer

C. 4 m A

Step-by-step solution

The potential difference across the Zener diode and the resistance R 2 is the same because they are in parallel connection. V z = V 2 = 6 V Let the potential difference across R 1 is V 1 , then 16 = V 1 + 6 V 1 = 10 V I 1 R 1 = 10 I 1 = 10 1000 = 0.01 A I 2 R 2 = 6 V I 2 = 6 1000 = 0 . 006 A I = 0 . 01 - 0 . 006 = 0 . 004 A = 4 mA

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