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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
The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:
Question # 3
When transistor are used in digital circuits they usually operate in the :
Question # 4
The P.D develop in case of silicon is:
Question # 5
Rectification is the process of converting.
Question # 6
The mathematical symbol for NOR operation is
Question # 7
The symbol of p-n-p transistor is
Question # 8
Improper bisting of a transistor circiut produces:
Question # 9
The P.D develop in case of germanium is:
Question # 10
The gate, which changes the logic level to its opposite level is called
Question # 11
In full wave rectification number of diodes required are equal to.
Question # 12
Light emitting diodes are made from semiconductors.
Question # 13
A transistor has:
Question # 14
Automatic function of street light can be done by the use of.
Question # 15
A two inputs NAND gat with inputs a and b has an output '0' if.
Question # 16
The term invertor is used for.
Question # 17
Photo diode is used for detection of.
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 | The ratio Beta in transistor is called. |
A. Voltage gain
B. Emitter gain
C. Current gain
D. Nuclear gain
|
| 2 | Which one has greater cone of impurity among all: |
A. Emitter
B. Base
C. Collector
D. All are pure
|
| 3 | 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
|
| 4 | The P.D develop in case of germanium is: |
A. 0.3
B. 0.7
C. 0.5
D. 0.9
|
| 5 | Reverse current flows due to |
A. Majority charge carriers
B. Minority charge carriers
C. Electrons
D. Holes
|
| 6 | A device which converts low voltage or current to high voltage or current is called. |
A. Transformer
B. AC generator
C. Amplifier
D. Rectifier
|
| 7 | In case of reverse biasing, current is flown due to: |
A. Minority charge carriers
B. Majority charge carriers
C. Electrons
D. Protons
|
| 8 | The P.D develop in case of silicon is: |
A. 0.7V
B. 0.3V
C. 0.5V
D. 0.9V
|
| 9 | In photovoltaic cell, current is directly proportional to. |
A. Wavelength of light
B. Intensity of light
C. Energy
D. Frequency of light
|
| 10 | 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)
|
Test Questions