In the following figure, the diodes which are forward biased, are (a) (A), (B) and (D) (b) (C) only (c) (C) and (A) (d) (B) and (D)

Answer: (c). Forward bias: anode potential > cathode potential. (A) cathode +5 V, anode side +10 V: forward. (B) anode -10 V, cathode 0: reverse. (C) cathode -12 V, anode side -5 V: forward. (D) anode 0, cathode side +5 V: reverse. So the answer is (c) (C) and (A).

In the following figure, the diodes which are forward biased, are | NEET 2011 (AIPMT, Mains)

Q108NEET 2011 · AIPMT · MAINSMedium

P-N Junction Diode

In the following figure, the diodes which are forward biased, are

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Answer: (c)

Forward bias: anode potential $>$ cathode potential.
(A) cathode $+5\text{ V}$ , anode side $+10\text{ V}$ : forward. (B) anode $-10\text{ V}$ , cathode $0$ : reverse.
(C) cathode $-12\text{ V}$ , anode side $-5\text{ V}$ : forward. (D) anode $0$ , cathode side $+5\text{ V}$ : reverse.
So the answer is (c) (C) and (A).

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