The current in the diode D1 of question no. 18 if V = 110

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The current in the diode D₁ of question no. 18 if V = 110 V is—

1. 0 mA
2. 1 mA
3. 2 mA
4. 1.5 mA

Correct Option: C

At 110V, diode D₁ undergoes breakdown first. As a result diode D₂ which remains reverse biased limits the current in circuit to its saturation current value i.e. 2mA.