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MCQ's Test For Physics ECAT Pre Engineering Chapter 18 Electronics Physics
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 18 Electronics Physics
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 18 Electronics Physics
00:00
Question # 1
Computer chips are made from:
Question # 2
If the distance between two charges is doubled, the force between them will become
Question # 3
Majority charge carriers in the p-region of p-n junction are:
Question # 4
Truth table of logic function:
Question # 5
Michael Faraday is known by his work on
Question # 6
Improper biasing of a transistor circuit produces
Question # 7
Origin of the electric and the gravitational forces
Question # 8
Crystal of germanium or silicon in its pure form at absolute zero acts as:
Question # 9
The values 1 and 0 are designated as:
Question # 10
In reverse-biased p-n junction, the reverse current is due to flow of:
Question # 11
The use of chips in electrons is described in the form of:
Question # 12
A diode which can turn its current ON and OFF in nono seconds is called:
Question # 13
If both the inputs given to a gate ae 1 such that the output is 0, then it is:
Question # 14
Inverter is the name given to:
Question # 15
To turn the transistor OFF, the base current is set:
Top Scorers Of Physics ECAT Pre Engineering Chapter 18 Electronics Physics MCQ`s Test
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S Sadaf Batool 21 - May - 2024 00 Min 02 Sec 60/60 -
M Muhammad Sufyan 01 - Jun - 2024 00 Min 04 Sec 60/60 -
M M Umer Arain 10 - Dec - 2024 00 Min 08 Sec 60/60 -
F Farzand Shah Farzand Shah 23 - Apr - 2024 00 Min 58 Sec 60/60 -
B Bilal Javed 10 - Mar - 2024 02 Min 03 Sec 60/60 -
D Danish Mehmood Awan 21 - May - 2024 03 Min 01 Sec 60/60 -
H Huzaifa Asim 26 - May - 2024 09 Min 51 Sec 60/60 -
A Arian Ahmed 09 - Mar - 2024 00 Min 02 Sec 55/60 -
Y Yusra Khalid 07 - Mar - 2024 00 Min 20 Sec 55/60 -
A Aarij 08 - Dec - 2024 01 Min 09 Sec 55/60 -
A Afzan Ali 03 - Jun - 2024 02 Min 04 Sec 55/60 -
H HASSAAN Hello (H.S LEGEND) 07 - Mar - 2024 03 Min 00 Sec 50/60 -
H Haniya Ali 10 - Mar - 2024 03 Min 08 Sec 50/60 -
F Fatima Muqarrab 20 - May - 2024 03 Min 46 Sec 50/60 -
S Sakhawat Jutt 29 - Aug - 2024 06 Min 08 Sec 50/60
ECAT Physics Chapter 18 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In full wave rectification, simultaneous action is that: |
A. Two diodes conduct and two do not.
B. One diode conduct and three do not.
C. Three diodes conduct and one does not.
D. All the four diodes conduct
|
| 2 | The number of LED'S needed to display all the digits is: |
A. Four
B. Five
C. Nine
D. Six
|
| 3 | In describing function of digital systems, 1 represents: |
A. Closed switch
B. True Statement
C. Lighted bulb
D. Only (B) and (C)
|
| 4 | Conversion of A.C. into D.C. is called: |
A. Reftification
B. Amplification
C. Electric induction
D. Magnetic induction
|
| 5 | Improper biasing of a transistor circuit produces |
A. Heavy loading of emitter current
B. Distortion in the output signal
C. Excessive heat at collector terminal
D. Faulty location of load line
|
| 6 | Most of the electrons in the base of an NPN transistor flow |
A. Out of the base lead
B. Into the collector
C. Into the emit
D. Into the base supply
|
| 7 | The number of input terminals of an op-amp is: |
A. One
B. Two
C. Three
D. Four
|
| 8 | Electric lines of force |
A. Intersect each other
B. Are always parallel
C. Are always anti-parallel
D. Never intersect
|
| 9 | The values 1 and 0 are designated as: |
A. Continuous values
B. Binary values
C. Boolean values
D. Decimal values
|
| 10 | Inverter is the name given to: |
A. NOT gate
B. OR gate
C. NOR gate
D. AND gate
|
Test Questions
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SHAHID FAROOQ
21 Jun 2019good practice forprepration of test