(a) Explain Thevenin's theorem. Describe the steps required to find the Thevenin equivalent voltage and resistance of a given linear circuit. (b)…
(a) Explain Thevenin's theorem. Describe the steps required to find the Thevenin equivalent voltage and resistance of a given linear circuit.
(b) What is a PN junction diode? Explain its V-I characteristics under forward and reverse bias conditions.
(c) A half-wave rectifier uses a diode with a forward resistance of 500 and is connected to a transformer secondary of 15V(rms) with a load resistance of 1KΩ. Find:
(i) The DC output voltage.
(ii) The peak current through the diode, and
(iii) The efficiency of the rectifier.
From the BCS Technical Cadre (CSE) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 105 of 123.
More from this paper
- Previous: (a) Write down the Maxwell's equations in integral form and explain their physical interpretations in electromagnetics. (b) Define phase…
- Next: (a) Define Boolean algebra. State its fundamental laws and illustrate how these laws are applied to simplify logic expressions. (b) What…
- All questions in BCS Technical Cadre (CSE) October 2025 – 49th BCS Written (Special) (BPSC)