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COMEDK2024PhysicsSemiconductors

Two diodes of silicon and germanium are connected in series as shown below. The current flowing through the circuit will be around

Options

  1. A0
  2. B3 A
  3. C4 A
  4. D3.5 A

Correct answer

B. 3 A

Step-by-step solution

We know that, barrier potential of Ge , V_ B₁ =0.3 ~V and barrier potential of Si , V_ B₂ =0.7 ~V Redrawing the given figure as Applying KVL, we get array ll & 10-0.3-I 1-0.7-2 I=0 & 3 I=9 I=3 ~A array

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