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

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

Try The 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 power output of a full wave rectifier is:

Question # 2

The diode charactristics curve is plot between

Question # 3

Gain of operational amplifier is independent of;

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

The diodes works on

Question # 6

A pulsating DC can be converted into constant voltage by using

Question # 7

The efficiency of half wave rectifier is:

Question # 8

A circuit that converts Pulsating DC into smooth DC contain :

Question # 9

The junction potential for Germanium is;

Question # 10

A device which convert DC into AC is calleD)

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The efficiency of full wave rectifier is:

Question # 16

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

Question # 17

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

Question # 18

In a full wave rectifier:

Question # 19

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

Question # 20

In a full wave rectifier, the diode conducts during

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MCAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 The diodes works on
A. A.C
B. D.C
C. both A and B
D. None of these
3 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
4 A circuit that converts Pulsating DC into smooth DC contain :
A. Filter
B. Capacitor
C. Inductor
D. LC circuit
5 The efficiency of half wave rectifier is:
A. 25.6%
B. 1.2%
C. 40.6%
D. 66.6%
6 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
7 A device which convert DC into AC is calleD)
A. Invertor
B. Generator
C. Rectifier
D. Motor
8 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
9 In a full wave rectifier, the diode conducts during
A. Both halves of the input cycle
B. A portion of the positive half cycle of the input
C. Positive half cycle of the input
D. Positive half cycle of the input
10 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

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  • Muhammad usama

    Muhammad usama

    31 Aug 2018

    These tests are not according to new syllabus of mdcat

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