At t=15msecVin =220sin(100π×15×10−3)=220sin(23π)=−220 V 
So diode D1 is in reverse bias and D2 is in forward bias
NEET UG 2025 — Physics Modern Physics
2025mcqmedium
A full wave rectifier circuit with diodes (D1) and (D2) is shown in the figure. If input supply voltage Vin =220sin(100πt) volt, then at t=15msec 
Official previous-year question
Held on 30 Apr 2025 · Verified 9 Jul 2026.
Options
- A
D1 is forward biased, D2 is reverse biased
- B
D1 is reverse biased, D2 is forward biased
- C
D1 and D2 both are forward biased
- D
D1 and D2 both are reverse biased
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