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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-conducting semiconductor diode is:
Question # 2
A circuit that converts Pulsating DC into smooth DC contain :
Question # 3
The unit of gain (G) for non-inverting amplifier is
Question # 4
A certain noninverting amplifier has R1 of 1 kΩ and R2 of 100 kΩ. The closed-loop voltage gain is ………
Question # 5
The efficiency of full wave rectifier is:
Question # 6
Inverting amplifier circuits have
Question # 7
The power output of a full wave rectifier is:
Question # 8
A diode as a rectifier converts:
Question # 9
The diodes works on
Question # 10
In a full wave rectifier:
Question # 11
A non-inverting amplifier has infinite input resistance then the voltage gain of noninverting amplifier will be:
Question # 12
In full wave rectification, the output D.C. voltage across the load is obtainedfor
Question # 13
The resistance of operational amplifier between inverting and non-inverting terminal is of the order of:
Question # 14
A PN junction diode cannot be use:
Question # 15
When two semiconductors of p- and n-type are brought into contact, they from a p-n junction which act like a:
Question # 16
In a full wave rectifier, the diode conducts during
Question # 17
In a half wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be:
Question # 18
The diode charactristics curve is plot between
Question # 19
For a normal AC cycle, during T/2 to T the diode act as:
Question # 20
The efficiency of half wave rectifier is:
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 -
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P PUZZLE and INFORMATION 21 - Jul - 2024 03 Min 05 Sec 16/20 -
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M Muneeza Khan chadda 14 - Jun - 2024 09 Min 42 Sec 15/20 -
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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 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
|
| 2 | In a full wave rectifier: |
A. DC current is twice that of half wave rectifier
B. DC pulses are twice per cycle that of half wave rectifier
C. DC voltage is twice that of half wave rectifier
D. All are correct
|
| 3 | 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
|
| 4 | 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
|
| 5 | 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
|
| 6 | The diode charactristics curve is plot between |
A. I & t
B. V& t
C. V& I
D. None
|
| 7 | 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
|
| 8 | In a half wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be: |
A. 25 Hz
B. 70.7 Hz
C. 50 Hz
D. 100 Hz
|
| 9 | A non-conducting semiconductor diode is: |
A. Forward biased
B. Poorly biased
C. Reverse biased
D. None of them
|
| 10 | When two semiconductors of p- and n-type are brought into contact, they from a p-n junction which act like a: |
A. Conductor
B. Amplifier
C. Oscillator
D. Rectifier
|
Test Questions
