MDCAT Physics Chapter 14 MCQ Test With Answer for (Electronics)

MCQ's Test For MDCAT Physics Chapter 14 Electronics MCQ's Test

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MDCAT Physics Chapter 14 Electronics MCQ's Test

00:00
Question # 1

The efficiency of full wave rectifier is:

Question # 2

The simplest type of rectification known as half wave rectification is obtained by

Question # 3

The diodes works on

Question # 4

The diode charactristics curve is plot between

Question # 5

A non-conducting semiconductor diode is:

Question # 6

In full wave rectification by bridge the number of diodes required are

Question # 7

A circuit that converts Pulsating DC into smooth DC contain :

Question # 8

Gain of operational amplifier is independent of;

Question # 9

The magnitude of potential barrier for Ge is

Question # 10

The unit of gain (G) for non-inverting amplifier is

Question # 11

The resistance of operational amplifier between inverting and non-inverting terminal is of the order of:

Question # 12

For the same value of resistors the output of non-inverting amplifier compared to the output of inverting amplifier is, (ignoring phase difference)

Question # 13

In full wave rectification, the output DC voltage across the load is obtained for.

Question # 14

In full wave rectification, the output D.C. voltage across the load is obtainedfor

Question # 15

The efficiency of half wave rectifier is:

Question # 16

In a full wave rectifier:

Question # 17

A pure semiconductor has:

Question # 18

In a full wave rectifier, the diode conducts during

Question # 19

In a half wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be:

Question # 20

A diode as a rectifier converts:

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MCAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 For the same value of resistors the output of non-inverting amplifier compared to the output of inverting amplifier is, (ignoring phase difference)
A. Greater
B. Equal
C. Smaller
D. Undefined
2 The simplest type of rectification known as half wave rectification is obtained by
A. Using a transistor
B. Suppressing the harmonics in A.C. voltage
C. Suppressing half wave of A.C. supply by using diode
D. Using a Coolidge
3 A pure semiconductor has:
A. An infinite resistance at 0oC)
B. A finite resistance which does not depend upon temperature
C. A finite resistance which decreases with temperature
D. A finite resistance which increase with temperature
4 The method by which only one half of A.C cycle is converted into direct current is called
A. half wave amplification
B. half wave rectification
C. Full wave rectification
D. full wave amplification
5 A device which convert DC into AC is calleD)
A. Invertor
B. Generator
C. Rectifier
D. Motor
6 The diode charactristics curve is plot between
A. I & t
B. V& t
C. V& I
D. None
7 In full wave rectification, the output DC voltage across the load is obtained for.
A. The positive half cycle of input AC only
B. The negative half cycle of input AC
C. The completes cycle of input AC only
D. All of the above
8 A diode characteristics curve is a graph plotted between;
A. Current and time
B. Voltage and time
C. Voltage and current
D. Forward voltage and reverse current
9 Gain of operational amplifier is independent of;
A. Internal structure
B. External Structure
C. Batteries
D. Potential changes
10 Inverting amplifier circuits have
A. A very high input impendance
B. A very low input impendance
C. A low output impendance
D. Both A and C

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