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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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Total Questions20
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Time Allowed20
MDCAT Physics Chapter 14 Electronics MCQ's Test
00:00
Question # 1
A non-inverting amplifier has infinite input resistance then the voltage gain of noninverting amplifier will be:
Question # 2
A non-conducting semiconductor diode is:
Question # 3
In a half wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be:
Question # 4
A PN junction diode cannot be use:
Question # 5
A certain noninverting amplifier has R1 of 1 kΩ and R2 of 100 kΩ. The closed-loop voltage gain is ………
Question # 6
A device which convert DC into AC is calleD)
Question # 7
The diode charactristics curve is plot between
Question # 8
The simplest type of rectification known as half wave rectification is obtained by
Question # 9
In a full wave rectifier, the diode conducts during
Question # 10
Inverting amplifier circuits have
Question # 11
For a normal AC cycle, during T/2 to T the diode act as:
Question # 12
In full wave rectification, the output DC voltage across the load is obtained for.
Question # 13
The efficiency of full wave rectifier is:
Question # 14
The magnitude of potential barrier for Ge is
Question # 15
The junction potential for Germanium is;
Question # 16
The diodes works on
Question # 17
In a full wave rectifier with input frequency 50Hz. The frequency of pulsating D)C) received as an output across the load is
Question # 18
The unit of gain (G) for non-inverting amplifier is
Question # 19
A pulsating DC can be converted into constant voltage by using
Question # 20
Gain of operational amplifier is independent of;
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J Joun Muhammad 05 - Jun - 2023 08 Min 22 Sec 13/20
MCAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 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 | 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
|
| 4 | A circuit that converts Pulsating DC into smooth DC contain : |
A. Filter
B. Capacitor
C. Inductor
D. LC circuit
|
| 5 | The magnitude of potential barrier for Ge is |
A. 0.7 v
B. 0.3 V
C. 7v
D. 3 v
|
| 6 | The efficiency of half wave rectifier is: |
A. 25.6%
B. 1.2%
C. 40.6%
D. 66.6%
|
| 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 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
|
| 9 | A device which convert DC into AC is calleD) |
A. Invertor
B. Generator
C. Rectifier
D. Motor
|
| 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
|
Test Questions