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

A diode characteristics curve is a graph plotted between;

Question # 2

The efficiency of half wave rectifier is:

Question # 3

A pure semiconductor has:

Question # 4

The power output of a full wave rectifier is:

Question # 5

Gain of operational amplifier is independent of;

Question # 6

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

Question # 7

A pulsating DC can be converted into constant voltage by using

Question # 8

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

Question # 9

A PN junction diode cannot be use:

Question # 10

When two semiconductors of p- and n-type are brought into contact, they from a p-n junction which act like a:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

A non-conducting semiconductor diode is:

Question # 15

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

Question # 16

A diode as a rectifier converts:

Question # 17

The junction potential for Germanium is;

Question # 18

In a full wave rectifier:

Question # 19

A device which convert DC into AC is calleD)

Question # 20

The diodes works on

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MCAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 A certain noninverting amplifier has R1 of 1 kΩ and R2 of 100 kΩ. The closed-loop voltage gain is ………
A. 100,000
B. 100
C. 1000
D. 101
3 The efficiency of half wave rectifier is:
A. 25.6%
B. 1.2%
C. 40.6%
D. 66.6%
4 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
5 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
6 For full wave rectification, the minimum number of diodes used is:
A. 1
B. 2
C. 3
D. 4
7 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
8 The resistance of operational amplifier between inverting and non-inverting terminal is of the order of:
A. Few Ohms
B. Mega Ohms
C. Few Kilo Ohms
D. Micro Ohms
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 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

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