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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 PN junction diode cannot be use:
Question # 2
A non-inverting amplifier has infinite input resistance then the voltage gain of noninverting amplifier will be:
Question # 3
A pure semiconductor has:
Question # 4
The junction potential for Germanium is;
Question # 5
In a half wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be:
Question # 6
For a normal AC cycle, during T/2 to T the diode act as:
Question # 7
Inverting amplifier circuits have
Question # 8
The diode charactristics curve is plot between
Question # 9
The power output of a full wave rectifier is:
Question # 10
A certain noninverting amplifier has R1 of 1 kΩ and R2 of 100 kΩ. The closed-loop voltage gain is ………
Question # 11
In a full wave rectifier, the diode conducts during
Question # 12
The magnitude of potential barrier for Ge is
Question # 13
In full wave rectification, the output DC voltage across the load is obtained for.
Question # 14
A pulsating DC can be converted into constant voltage by using
Question # 15
A circuit that converts Pulsating DC into smooth DC contain :
Question # 16
The unit of gain (G) for non-inverting amplifier is
Question # 17
Gain of operational amplifier is independent of;
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
The resistance of operational amplifier between inverting and non-inverting terminal is of the order of:
Question # 20
In full wave rectification, the output D.C. voltage across the load is obtainedfor
Top Scorers Of MDCAT Physics Chapter 14 Electronics MCQ's Test MCQ`s Test
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A ammara habib 10 - Jul - 2023 00 Min 13 Sec 20/20 -
M Ahmad Anwar 02 - Aug - 2023 01 Min 15 Sec 20/20
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I Ismailkhan Khanlala 20 - Aug - 2023 02 Min 14 Sec 17/20 -
M Main faizan Faizan 29 - Jul - 2023 03 Min 29 Sec 17/20 -
B Bashir Ahmad 03 - Aug - 2023 07 Min 24 Sec 17/20 -
P PUZZLE and INFORMATION 21 - Jul - 2024 03 Min 05 Sec 16/20 -
H hamza abid 04 - Sep - 2023 10 Min 50 Sec 16/20 -
F Fatima 29 - Aug - 2023 04 Min 27 Sec 15/20 -
R Rafia Abbasi 31 - Jul - 2023 06 Min 10 Sec 15/20 -
M Muneeza Khan chadda 14 - Jun - 2024 09 Min 42 Sec 15/20 -
S Shazia Shoukat ali 14 - Jun - 2024 04 Min 22 Sec 14/20 -
S Sufyan Nadeem 08 - Jul - 2023 05 Min 06 Sec 14/20 -
M Mehwish Abdul Sattar 24 - May - 2023 04 Min 37 Sec 13/20 -
F FATIMA ZAFAR 13 - Jul - 2024 06 Min 38 Sec 13/20 -
J Joun Muhammad 05 - Jun - 2023 08 Min 22 Sec 13/20
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 | 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
|
| 3 | The efficiency of full wave rectifier is: |
A. 25.6%
B. 81.2%
C. 81.6%
D. 71.2%
|
| 4 | 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
|
| 5 | The diodes works on |
A. A.C
B. D.C
C. both A and B
D. None of these
|
| 6 | For full wave rectification, the minimum number of diodes used is: |
A. 1
B. 2
C. 3
D. 4
|
| 7 | The efficiency of half wave rectifier is: |
A. 25.6%
B. 1.2%
C. 40.6%
D. 66.6%
|
| 8 | For a normal AC cycle, during T/2 to T the diode act as: |
A. Open switch
B. full wave rectifier
C. Close switch
D. All are correct
|
| 9 | 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
|
| 10 | 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
|
Test Questions
Share your comments & questions here
Muhammad usama
31 Aug 2018These tests are not according to new syllabus of mdcat