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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
For a normal AC cycle, during T/2 to T the diode act as:
Question # 3
The power output of a full wave rectifier is:
Question # 4
In full wave rectification, the output DC voltage across the load is obtained for.
Question # 5
For the same value of resistors the output of non-inverting amplifier compared to the output of inverting amplifier is, (ignoring phase difference)
Question # 6
A pulsating DC can be converted into constant voltage by using
Question # 7
In a half wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be:
Question # 8
A pure semiconductor has:
Question # 9
The efficiency of half wave rectifier is:
Question # 10
In a full wave rectifier with input frequency 50Hz. The frequency of pulsating D)C) received as an output across the load is
Question # 11
The resistance of operational amplifier between inverting and non-inverting terminal is of the order of:
Question # 12
The unit of gain (G) for non-inverting amplifier is
Question # 13
A diode as a rectifier converts:
Question # 14
A device which convert DC into AC is calleD)
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
The magnitude of potential barrier for Ge is
Question # 17
In a full wave rectifier, the diode conducts during
Question # 18
A certain noninverting amplifier has R1 of 1 kΩ and R2 of 100 kΩ. The closed-loop voltage gain is ………
Question # 19
A circuit that converts Pulsating DC into smooth DC contain :
Question # 20
The junction potential for Germanium 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 -
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 non-conducting semiconductor diode is: |
A. Forward biased
B. Poorly biased
C. Reverse biased
D. None of them
|
| 2 | 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
|
| 3 | The efficiency of half wave rectifier is: |
A. 25.6%
B. 1.2%
C. 40.6%
D. 66.6%
|
| 4 | 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
|
| 5 | 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
|
| 6 | The magnitude of potential barrier for Ge is |
A. 0.7 v
B. 0.3 V
C. 7v
D. 3 v
|
| 7 | 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
|
| 8 | 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
|
| 9 | Gain of operational amplifier is independent of; |
A. Internal structure
B. External Structure
C. Batteries
D. Potential changes
|
| 10 | 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
|
Test Questions
Share your comments & questions here
Muhammad usama
31 Aug 2018These tests are not according to new syllabus of mdcat