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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 diode characteristics curve is a graph plotted between;
Question # 2
For full wave rectification, the minimum number of diodes used is:
Question # 3
A non-conducting semiconductor diode is:
Question # 4
The diode charactristics curve is plot between
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 pulsating DC can be converted into constant voltage by using
Question # 7
The magnitude of potential barrier for Ge is
Question # 8
Inverting amplifier circuits have
Question # 9
For the same value of resistors the output of non-inverting amplifier compared to the output of inverting amplifier is, (ignoring phase difference)
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
In full wave rectification, the output D.C. voltage across the load is obtainedfor
Question # 12
A device which convert DC into AC is calleD)
Question # 13
The resistance of operational amplifier between inverting and non-inverting terminal is of the order of:
Question # 14
The diodes works on
Question # 15
The simplest type of rectification known as half wave rectification is obtained by
Question # 16
In full wave rectification, the output DC voltage across the load is obtained for.
Question # 17
The method by which only one half of A.C cycle is converted into direct current is called
Question # 18
A circuit that converts Pulsating DC into smooth DC contain :
Question # 19
The junction potential for Germanium is;
Question # 20
In a full wave rectifier, the diode conducts during
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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 -
H hamza abid 04 - Sep - 2023 10 Min 50 Sec 16/20 -
F Fatima 29 - Aug - 2023 04 Min 27 Sec 15/20 -
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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 junction potential for Germanium is; |
A. 3v
B. 0.3 v
C. 7v
D. 0.7 v
|
| 2 | The magnitude of potential barrier for Ge is |
A. 0.7 v
B. 0.3 V
C. 7v
D. 3 v
|
| 3 | The power output of a full wave rectifier is: |
A. Equal to H.W.R
B. Twice of H.W.R
C. Half of H.W.R
D. Four times of H.W.R
|
| 4 | In full wave rectification, the output D.C. voltage across the load is obtainedfor |
A. The positive half cycle of input A.C. (C) The complete cycle of
input A.C.
B. The negative half cycle of input A.C.
C. The complete cycle of
D. All of the above
|
| 5 | A non-conducting semiconductor diode is: |
A. Forward biased
B. Poorly biased
C. Reverse biased
D. None of them
|
| 6 | 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
|
| 7 | Gain of operational amplifier is independent of; |
A. Internal structure
B. External Structure
C. Batteries
D. Potential changes
|
| 8 | 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
|
| 9 | The unit of gain (G) for non-inverting amplifier is |
A. Ampere
B. ohm
C. Volt
D. None of these
|
| 10 | 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
|
Test Questions
Share your comments & questions here
Muhammad usama
31 Aug 2018These tests are not according to new syllabus of mdcat