1. A CE amplifier has re=6Ω, β=100. The input impedance is (a) 6Ω (b) 98Ω (c) 100Ω (d) 600Ω 2. The most commonly used bias in BJT amplifier circuit is (a) voltage divider bias (b) emitter bias (c) collector bias (d) collector feedback bias 3. In a commercially available good power supply the voltage regulation
1. The maximum theoretical efficiency for class A amplifier is (a) 12.5% (b) 25 % (c) 50% (d) 75% 2. If it is desired to have low output impedance in an amplifier circuit then we should use (a) common collector circuit (b) common base circuit (c) common emitter circuit (d) either (b) or (c) 3.
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Interested users can download the Selected Questions on Diploma Mechanical Engineering from the links enclosed below. Download the Last 5 Years Selected Questions on Diploma Mechanical Engineering Solved along with the Answers of each question. This Selected Questions on Diploma Mechanical Engineering may vary from the Actual paper. Use the Selected Questions on Diploma Mechanical
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