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

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Question # 1

In a full wave rectifier:

Question # 2

In a full wave rectifier with input frequency 50Hz. The frequency of pulsating D)C) received as an output across the load is

Question # 3

A PN junction diode cannot be use:

Question # 4

The efficiency of half wave rectifier is:

Question # 5

The method by which only one half of A.C cycle is converted into direct current is called

Question # 6

Gain of operational amplifier is independent of;

Question # 7

The junction potential for Germanium is;

Question # 8

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

Question # 9

For a normal AC cycle, during T/2 to T the diode act as:

Question # 10

The diodes works on

Question # 11

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

Question # 12

A diode characteristics curve is a graph plotted between;

Question # 13

For full wave rectification, the minimum number of diodes used is:

Question # 14

A pulsating DC can be converted into constant voltage by using

Question # 15

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

Question # 16

A non-conducting semiconductor diode is:

Question # 17

In a full wave rectifier, the diode conducts during

Question # 18

A pure semiconductor has:

Question # 19

A non-inverting amplifier has infinite input resistance then the voltage gain of noninverting amplifier will be:

Question # 20

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

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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 For a normal AC cycle, during T/2 to T the diode act as:
A. Open switch
B. full wave rectifier
C. Close switch
D. All are correct
3 A circuit that converts Pulsating DC into smooth DC contain :
A. Filter
B. Capacitor
C. Inductor
D. LC circuit
4 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
5 A non-conducting semiconductor diode is:
A. Forward biased
B. Poorly biased
C. Reverse biased
D. None of them
6 A PN junction diode cannot be use:
A. As rectifier
B. For converting light energy to electrical energy
C. For getting light radiation
D. For increasing the amplitude of an ac signal
7 The diodes works on
A. A.C
B. D.C
C. both A and B
D. None of these
8 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
9 The power output of a full wave rectifier is:
A. Equal to H.W.R
B. Twice of H.W.R
C. Half of H.W.R
D. Four times of H.W.R
10 A non-inverting amplifier has infinite input resistance then the voltage gain of noninverting amplifier will be:
A. Zero
B. Infinite
C. One
D. 100

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