Electronics and Communication Engineering - Analog Electronics

1. 

The ripple factor of a full wave rectifier is about 0.5

A. True
B. False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

2. 

Which of the following statement is false?

A. The zener diode is uses as a constant voltage source
B. The SCR is a silicon rectifier with a gate electrode to control when current flows from cathode to anode
C. The gate electrode in the FET corresponds to the collector in a bipolar transistor
D. None of the above

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

3. 

The configuration of figure is a

A. Hartley oscillator
B. Precision Integrator
C. Wienbridge oscillator
D. Butterworth high pass filter

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

4. 

The voltage gains of an amplifier without feedback and with negative feedback respectively are 100 and 20. The percentage of negative feedback would be.

A. 40%
B. 5%
C. 20%
D. 80%

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

5. 

In a CE amplifier circuit, the output voltage

A. is very small
B. is always constant
C. depends on β
D. none of the above

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

1 2 3 4 5 6 7 8 9 10 Next »