BHEL Engineer Trainee Exam 2025 Question Paper (Electrical) with Solution [Exam Date: 11 April 2025]
1. What is the primary condition that must be satisfied for an oscillator circuit to sustain oscillations, in terms of voltage gain? A. The voltage gain of the amplifier must be greater than or equal to 1, and the phase shift around the loop must be 360° B. The voltage gain of the amplifier must …