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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
Minimum number of semi conductor diodes required for full wave rectification are.
Question # 2
A light emitting diode emits light only when
Question # 3
In a transistor, collector current is controlled by:
Question # 4
the number of terminals in a semiconductor diode are
Question # 5
The colour of light emitted by a LED depends on.
Question # 6
Photo diode detects.
Question # 7
Reverse current flows due to
Question # 8
OR gate is represented by:
Question # 9
The P.D develop in case of silicon is:
Question # 10
The P.D develop in case of germanium is:
Question # 11
_______ is the building block of every electronic circuit.
Question # 12
Transistor was discovered by
Question # 13
Which diode works at reverse biasing.
Question # 14
The average gap for Germanium at 0K is
Question # 15
In full wave rectification number of diodes required are equal to.
Question # 16
The ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 17
The ratio Beta in transistor is called.
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 | A photo diode can turn its current ON and OFF in |
A. Micro seconds
B. Mega seconds
C. Nano seconds
D. Mili seconds
|
| 2 | When a PN-Junction is reverse biased the depletion region is. |
A. Widened
B. Narrowed
C. Normal
D. None of these
|
| 3 | X=A+B is the mathematical notation for. |
A. OR gate
B. NOR gate
C. NAND gate
D. AND gate
|
| 4 | In a certain circuit, IB = 40 µA, IC = 20 mA |
A. 450 amp
B. 0.45 amp
C. 5 m amp
D. 500 amp
|
| 5 | For rectification we use. |
A. Transformer
B. Diode
C. Choke
D. Generator
|
| 6 | A two inputs NAND gat with inputs a and b has an output '0' if. |
A. B is zero
B. A is zero
C. Both A and B are 1
D. Both A and B are '0'
|
| 7 | The circuit of full wave rectification consist of |
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
|
| 8 | Logic gate can control some physical parameters like. |
A. Temperature, Pressure
B. Resistance, Inductance
C. Capacitance, Impedance
D. Current, voltage
|
| 9 | A device which converts low voltage or current to high voltage or current is called. |
A. Transformer
B. AC generator
C. Amplifier
D. Rectifier
|
| 10 | Conversion of A.C into D.C is called: |
A. Compton effect
B. Rectification
C. Amplification
D. Pair production
|
Test Questions