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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
The method by which only one half of A.C cycle is converted into direct current is called
Question # 2
The diodes works on
Question # 3
In a full wave rectifier:
Question # 4
In full wave rectification by bridge the number of diodes required are
Question # 5
Inverting amplifier circuits have
Question # 6
A non-inverting amplifier has infinite input resistance then the voltage gain of noninverting amplifier will be:
Question # 7
The diode charactristics curve is plot between
Question # 8
A device which convert DC into AC is calleD)
Question # 9
For a normal AC cycle, during T/2 to T the diode act as:
Question # 10
A certain noninverting amplifier has R1 of 1 kΩ and R2 of 100 kΩ. The closed-loop voltage gain is ………
Question # 11
The magnitude of potential barrier for Ge is
Question # 12
The simplest type of rectification known as half wave rectification is obtained by
Question # 13
The efficiency of half wave rectifier is:
Question # 14
In full wave rectification, the output D.C. voltage across the load is obtainedfor
Question # 15
In a full wave rectifier, the diode conducts during
Question # 16
The power output of a full wave rectifier is:
Question # 17
For the same value of resistors the output of non-inverting amplifier compared to the output of inverting amplifier is, (ignoring phase difference)
Question # 18
A PN junction diode cannot be use:
Question # 19
A diode characteristics curve is a graph plotted between;
Question # 20
When two semiconductors of p- and n-type are brought into contact, they from a p-n junction which act like a:
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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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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 | The diode charactristics curve is plot between |
A. I & t
B. V& t
C. V& I
D. None
|
| 2 | In full wave rectification by bridge the number of diodes required are |
A. 3
B. 4
C. 2
D. 5
|
| 3 | Gain of operational amplifier is independent of; |
A. Internal structure
B. External Structure
C. Batteries
D. Potential changes
|
| 4 | A PN junction diode cannot be use: |
A. As rectifier
B. For converting light energy to electrical energy
C. For getting light radiation
D. For increasing the amplitude of an ac signal
|
| 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 diodes works on |
A. A.C
B. D.C
C. both A and B
D. None of these
|
| 7 | 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
|
| 8 | A pulsating DC can be converted into constant voltage by using |
A. Filter
B. Full wave rectifier
C. Half wave rectifie
D. Bridge rectifier
|
| 9 | 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
|
| 10 | The unit of gain (G) for non-inverting amplifier is |
A. Ampere
B. ohm
C. Volt
D. None of these
|
Test Questions
Share your comments & questions here
Muhammad usama
31 Aug 2018These tests are not according to new syllabus of mdcat