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MHT CET20244 May 2024Evening ShiftPhysicsSemiconductorsActual

In the circuit diagram shown in figure, the current through the zener diode is

Options

  1. A30 mA
  2. B17.5 mA
  3. C15 mA
  4. D12.5 ~mA

Correct answer

B. 17.5 mA

Step-by-step solution

Potential difference across 1200 resistor V _ 1200 =15 ~V current across 1200 resistor, I _ 1200 = 15 1200 A=12.5 ~mA Potential difference across 300 resistor, V_ 300 =24-15=9 ~V Current across 300 resistor, I_ 300 = 9 300 A=30 ~mA Current through zener diode, I_z=30-12.5=17.5 ~mA

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