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FSC Part 2 Physics
Chapter 18 Test
Start Chapter 18 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 18 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 18 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 18 Online MCQ's Test
00:00
Question # 1
In a transistor, collector current is controlled by:
Question # 2
The output voltage of a rectifier is.
Question # 3
A PN junction can not be sued a.
Question # 4
_______ is the building block of every electronic circuit.
Question # 5
The circuit of full wave rectification consist of
Question # 6
In photovoltaic cell, current is directly proportional to.
Question # 7
The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.
Question # 8
For normal transistor the emitter current can be given by
Question # 9
OR gate is represented by:
Question # 10
Photodiode is used for:
Question # 11
Conversion of A.C into D.C is called:
Question # 12
The reverse saturation current in a PN junction diode is only due to:
Question # 13
X=A+B is the mathematical notation for.
Question # 14
Which component of the transistor has greater contrition of impurity.
Question # 15
Which device is used as a rectifier?
Question # 16
The colour of light emitted by a LED depends on.
Question # 17
In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because
FSC 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 transistor has: |
A. Two regions
B. Three regions
C. Single regions
D. Four regions
|
| 2 | In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because |
A. Open gain loop is very low
B. Closed loop gain is very high
C. Open loop gain is very high
D. Both (a) and (a)
|
| 3 | The reverse saturation current in a PN junction diode is only due to: |
A. Majority carriers
B. Minoritycarriers
C. Acceptor ions
D. Donor ions
|
| 4 | 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
|
| 5 | In full wave rectification number of diodes required are equal to. |
A. 2
B. 3
C. 4
D. 5
|
| 6 | The P.D develop in case of silicon is: |
A. 0.7V
B. 0.3V
C. 0.5V
D. 0.9V
|
| 7 | Greater concentration of impurity is added in. |
A. Base
B. Emitter
C. Collector
D. LED
|
| 8 | The use of LDR is in the circuit of. |
A. Logic gate
B. Rectifier
C. Oscillator
D. High Switch
|
| 9 | When a PN-Junction is reverse biased the depletion region is. |
A. Widened
B. Narrowed
C. Normal
D. None of these
|
| 10 | The gain of transistor amplifier depends upon |
A. Resistance connected with collector
B. Resistance connected with base voltage
C. Input voltage
D. Output voltage
|
Test Questions