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ESE EC : Analog Circuits Champion Quiz 1
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Question 1
The maximum efficiency of half-wave rectifier is.
Question 2
The ripple factor in case of a full-wave rectifier is.
Question 3
Which of the following does not show non-linear V-I characteristics?
Question 4
Silicon diodes are less suited for low voltage rectifier operation because.
Question 5
Assertion (A) : a high value of resistor is connected across the diode in clamper circuit for better performance.
Reason (R): if this resistor is not present, the circuit will respond to sudden decrease in the magnitude of the input pulse train. But the response to sudden increase in the amplitude will cause improper response.
Reason (R): if this resistor is not present, the circuit will respond to sudden decrease in the magnitude of the input pulse train. But the response to sudden increase in the amplitude will cause improper response.
Question 6
When a junction diode is used as a half- wave rectifier with purely resistive load and sinusoidal conduction angle (where Φi is the ignition angle corresponding to the cut-in voltage)?
Question 7
The figure given below shows the transfer characteristics of which one of the following.
Question 8
The figure shown is a circuit of which one of the following?
Question 9
Which of the following components are chosen to construct a d.c. power supply to supply 6 V DC voltage from 230 V a.c. to operate a tape recorder?
1) Step down transformer.
2) Diodes.
3) Resistors and capacitors.
4) Three-pin voltage stabilizer.
Select the correct answer using the code given below:
1) Step down transformer.
2) Diodes.
3) Resistors and capacitors.
4) Three-pin voltage stabilizer.
Select the correct answer using the code given below:
Question 10
A power supply has a full-load voltage of 24 V. What is its no-load voltage for 5% regulation (rounded to the nearest integer)?
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Feb 7ESE & GATE EC
