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JEE Main201910 Jan 2019Evening ShiftPhysicsSemiconductorsActual

For the circuit shown below, the current through the Zener diode is

Options

  1. Azero.
  2. B5   mA .
  3. C9   mA .
  4. D14   mA .

Correct answer

C. 9   mA .

Step-by-step solution

Current through 5   kΩ , i 1 = 70 5000 = 14   mA Current through 10   kΩ , i l = 50 10000 = 5   mA Current through the Zener diode, I = 9   mA

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