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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
During negative half cycle of A.c then p-n junction offers.
Question # 2
NAND gate represented by:
Question # 3
A transistor has:
Question # 4
Transistors are made from
Question # 5
In photovoltaic cell, current is directly proportional to.
Question # 6
A light emitting diode emits light only when
Question # 7
Conversation of only one half of A.C. into D.C. is called.
Question # 8
A diode characteristic curve is a plot between
Question # 9
The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:
Question # 10
A transistor has parts:
Question # 11
In a transistor, collector current is controlled by:
Question # 12
The symbol of p-n-p transistor is
Question # 13
Which factor does not affect the conductivity of PN-Junction diode.
Question # 14
For rectification we use.
Question # 15
One use of a single p-n junction semiconductor in an electrical circuit is a
Question # 16
The output voltage of a rectifier is.
Question # 17
The ratio Beta in transistor is called.
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 | Transistor was discovered by |
A. Young
B. Curie
C. John Bardeen
D. Shale's
|
| 2 | The gain of transistor amplifier depends upon |
A. Resistance connected with collector
B. Resistance connected with base voltage
C. Input voltage
D. Output voltage
|
| 3 | In an N-type silicon, which of the following statement is true? |
A. Electrons are majority carriers & trivalent atoms are the dopants
B. Electrons are majority carriers & pentavalent atoms are the dopants
C. Holes are minority carriers & pentavalent atoms are the dopants.
D. Holes are minority carriers & trivavalent atoms are the dopants.
|
| 4 | The central region of a transistor is called. |
A. Emitter
B. Collector
C. Base
D. Neutral
|
| 5 | The circuit of full wave rectification consist of |
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
|
| 6 | The average gap for Germanium at 0K is |
A. 1.12 ev
B. 0.02 ev
C. 6.72 ev
D. 7.2 ev
|
| 7 | For rectification we use. |
A. Transformer
B. Diode
C. Choke
D. Generator
|
| 8 | 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
|
| 9 | The colour of light emitted by a LED depends on. |
A. It forward biased
B. Its reverse biased
C. Unbiased
D. None of these
|
| 10 | Reverse current flows due to |
A. Majority charge carriers
B. Minority charge carriers
C. Electrons
D. Holes
|
Test Questions
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