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

A pulsating DC can be converted into constant voltage by using

Question # 2

Inverting amplifier circuits have

Question # 3

A circuit that converts Pulsating DC into smooth DC contain :

Question # 4

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

Question # 5

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

Question # 6

The efficiency of full wave rectifier is:

Question # 7

A diode as a rectifier converts:

Question # 8

The diode charactristics curve is plot between

Question # 9

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

Question # 10

In a full wave rectifier, the diode conducts during

Question # 11

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

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

The magnitude of potential barrier for Ge is

Question # 14

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

Question # 15

In a full wave rectifier:

Question # 16

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

Question # 17

A certain noninverting amplifier has R1 of 1 kΩ and R2 of 100 kΩ. The closed-loop voltage gain is ………

Question # 18

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

Question # 19

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

Question # 20

The diodes works on

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MCAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The unit of gain (G) for non-inverting amplifier is
A. Ampere
B. ohm
C. Volt
D. None of these
2 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
3 A device which convert DC into AC is calleD)
A. Invertor
B. Generator
C. Rectifier
D. Motor
4 A pulsating DC can be converted into constant voltage by using
A. Filter
B. Full wave rectifier
C. Half wave rectifie
D. Bridge rectifier
5 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
6 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
7 A diode as a rectifier converts:
A. A)c into D)c
B. D)c into A)c
C. Varying D)c current into constant D)c current
D. High voltage into low voltage and vice-versa
8 When two semiconductors of p- and n-type are brought into contact, they from a p-n junction which act like a:
A. Conductor
B. Amplifier
C. Oscillator
D. Rectifier
9 In full wave rectification, the output D.C. voltage across the load is obtainedfor
A. The positive half cycle of input A.C. (C) The complete cycle of input A.C.
B. The negative half cycle of input A.C.
C. The complete cycle of
D. All of the above
10 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

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