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

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

Question # 2

The diode charactristics curve is plot between

Question # 3

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

Question # 4

Inverting amplifier circuits have

Question # 5

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

Question # 6

A non-conducting semiconductor diode is:

Question # 7

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

Question # 8

A pulsating DC can be converted into constant voltage by using

Question # 9

A diode characteristics curve is a graph plotted between;

Question # 10

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

Question # 11

The diodes works on

Question # 12

A pure semiconductor has:

Question # 13

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

Question # 14

A diode as a rectifier converts:

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

A circuit that converts Pulsating DC into smooth DC contain :

Question # 20

The efficiency of full wave rectifier is:

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MCAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A circuit that converts Pulsating DC into smooth DC contain :
A. Filter
B. Capacitor
C. Inductor
D. LC circuit
2 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
3 The efficiency of full wave rectifier is:
A. 25.6%
B. 81.2%
C. 81.6%
D. 71.2%
4 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
5 For full wave rectification, the minimum number of diodes used is:
A. 1
B. 2
C. 3
D. 4
6 A device which convert DC into AC is calleD)
A. Invertor
B. Generator
C. Rectifier
D. Motor
7 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
8 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
9 A non-conducting semiconductor diode is:
A. Forward biased
B. Poorly biased
C. Reverse biased
D. None of them
10 In a full wave rectifier with input frequency 50Hz. The frequency of pulsating D)C) received as an output across the load is
A. 50 Hz
B. 100 Hz
C. 500 Hz
D. zero

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