Analog Electronics MCQ Questions & Answers | ECE

A. 275 mA

B. 250 mA

C. 200 mA

D. less than 200 mA

A. 1 mA

B. 4 mA

C. 8 mA

D. 10 mA

A. $$ - \frac{{{{\text{V}}_{\text{m}}}}}{\pi }$$

B. $$ - \frac{{{{\text{V}}_{\text{m}}}}}{{2\pi }}$$

C. $$ - \frac{{{{\text{V}}_{\text{m}}}}}{{\sqrt 2 }}$$

D. $$0$$

A. a-4, b-2, c-1, d-3

B. a-3, b-2, c-1, d-4

C. a-4, b-1, c-2, d-3

D. a-3, b-1, c-2, d-4

A. The bandwidth occupied beyond the Nyquist Bandwidth of the filter

B. The performance of the filter or device

C. Aliasing effect

D. None of the above

A. a-4, b-3, c-1, d-2

B. a-3, b-4, c-2, d-1

C. a-3, b-4, c-1, d-2

D. a-4, b-3, c-2, d-1

A. V_CE > $$\frac{1}{2}$$V_CC

B. V_CE < V_CC

C. V_CE < 2V_CC

D. V_CE < $$\frac{1}{2}$$V_CC

A. $$\beta = \frac{1}{{1 - \alpha }}$$

B. $$\beta = \frac{{1 - \alpha }}{\alpha }$$

C. $$\beta = \frac{\alpha }{{1 - \alpha }}$$

D. $$\beta = \frac{\alpha }{{1 + \alpha }}$$

A. -50

B. +50

C. -51

D. +51

A. All oscillators satisfy the Barkhausen criterion

B. An oscillator is an amplifier that supplies its own input signal

C. An oscillator is a circuit that converts dc to ac

D. In-phase feedback is called positive feedback