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ICS Part 2 Physics
Chapter 18 Test
Start Chapter 18 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 18 Online MCQ's Test
00:00
Question # 1
Which factor does not affect the conductivity of PN-Junction diode.
Question # 2
The gate, which changes the logic level to its opposite level is called
Question # 3
Conversion of A.C into D.C is called:
Question # 4
When transistor are used in digital circuits they usually operate in the :
Question # 5
The potential difference across the depletion region of germanium is.
Question # 6
Photodiode is used for:
Question # 7
A light emitting diode emits light only when
Question # 8
LDR becomes necessary when op amp is used as a
Question # 9
The central region of a transistor is called.
Question # 10
The output of two input is zero only when its.
Question # 11
In a certain circuit, IB = 40 µA, IC = 20 mA
Question # 12
Improper bisting of a transistor circiut produces:
Question # 13
The use of LDR is in the circuit of.
Question # 14
A device which converts low voltage or current to high voltage or current is called.
Question # 15
The open loop gain of the amplifier is order of.
Question # 16
Transistors are made from
Question # 17
Which device is used as a rectifier?
ICS Part 2 Physics Chapter 18 Online Test MCQ's
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In case of reverse biasing, current is flown due to: |
A. Minority charge carriers
B. Majority charge carriers
C. Electrons
D. Protons
|
| 2 | Photo diode is used for detection of. |
A. Heat
B. Magnet
C. Current
D. Light
|
| 3 | Which is not fundamental logic gate. |
A. NOT
B. AND
C. OR
D. NAND
|
| 4 | The P.D develop in case of germanium is: |
A. 0.3
B. 0.7
C. 0.5
D. 0.9
|
| 5 | The reverse saturation current in a PN junction diode is only due to: |
A. Majority carriers
B. Minoritycarriers
C. Acceptor ions
D. Donor ions
|
| 6 | In photovoltaic cell, current is directly proportional to. |
A. Wavelength of light
B. Intensity of light
C. Energy
D. Frequency of light
|
| 7 | The circuit of full wave rectification consist of |
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
|
| 8 | When transistor are used in digital circuits they usually operate in the : |
A. Active region
B. Break down region
C. Saturation & cutoff regions
D. Linear region
|
| 9 | A.C. can be converted into D.C. by |
A. An oscillator
B. Detector
C. An amplifier
D. Rectifier
|
| 10 | A diode characteristics curve is a plot between |
A. Current and resistance
B. Voltage and time
C. Voltage and current
D. Current and time
|
Test Questions