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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
Light emitting diodes are made from semiconductors.
Question # 2
Transistor was invented by:
Question # 3
The gate, which changes the logic level to its opposite level is called
Question # 4
A photo diode can turn its current ON and OFF in
Question # 5
X=A+B is the mathematical notation for.
Question # 6
The use of LDR is in the circuit of.
Question # 7
Automatic function of street light can be done by the use of.
Question # 8
The output voltage of a rectifier is.
Question # 9
During negative half cycle of A.c then p-n junction offers.
Question # 10
When transistor are used in digital circuits they usually operate in the :
Question # 11
the number of terminals in a semiconductor diode are
Question # 12
Transistor was discovered by
Question # 13
Rectification is the process of converting.
Question # 14
LDR becomes necessary when op amp is used as a
Question # 15
The device which are required to convert various physical quantities into electric voltage are called.
Question # 16
The reverse saturation current in a PN junction diode is only due to:
Question # 17
Photo diode is used for detection of.
ICS Part 2 Physics Chapter 18 Online Test MCQ's
Top Scorers Of Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test" MCQ`s Test
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Greater concentration of impurity is added in. |
A. Base
B. Emitter
C. Collector
D. LED
|
| 2 | Reverse current flows due to |
A. Majority charge carriers
B. Minority charge carriers
C. Electrons
D. Holes
|
| 3 | A transistor has: |
A. Two regions
B. Three regions
C. Single regions
D. Four regions
|
| 4 | Depletion region carries. |
A. -ve charge
B. +ve charge
C. Ions
D. No charge
|
| 5 | For normal transistor the emitter current can be given by |
A. IE = IC
B. IE = IC + IB
C. IE = IB
D. None of these
|
| 6 | Transistors are made from |
A. Plastics
B. Metals
C. Insulator
D. Doped semi conductors
|
| 7 | The average gap for Germanium at 0K is |
A. 1.12 ev
B. 0.02 ev
C. 6.72 ev
D. 7.2 ev
|
| 8 | The output voltage of a rectifier is. |
A. Smooth
B. Pulsating
C. Alternating
D. Per featly direct
|
| 9 | The reverse saturation current in a PN junction diode is only due to: |
A. Majority carriers
B. Minoritycarriers
C. Acceptor ions
D. Donor ions
|
| 10 | In a certain circuit, IB = 40 µA, IC = 20 mA |
A. 450 amp
B. 0.45 amp
C. 5 m amp
D. 500 amp
|
Test Questions