In the following circuit, the average voltage $V_o = 400 \left(1 + \frac{\cos \alpha}{3}\right)$ V, where $\alpha$ is the firing angle. If the power dissipated in the resistor is 64 W, then the closest value of $\alpha$ in degrees is

GATE 2025 Electrical Engineering Q48 — Electrical Engineering

GATE 2025Set MasterQ48MCQanswer keyexplanation soonmedium

Electrical Engineering · Power Electronics - Controlled Rectifiers

Concept intelligence

Jump into a concept drill from this question.

Figure from the original GATE 2025 paper. (IIT Roorkee archive)

Studying seriously for GATE CSE?

Keep browsing free. Pro unlocks the paid study loop: explanations, topic mastery, mistake notebook, and custom PYQ drills.

Recurring concept

Power Electronics - Controlled Rectifiers has appeared in GATE Electrical Engineering 2 times across 2 years (2018, 2025).

More questions on Power Electronics - Controlled Rectifiers

📊 has diagram∑ has math

firing anglepower dissipationaverage voltagecontrolled rectifier