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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
Automatic function of street light can be done by the use of.
Question # 2
_______ is the building block of every electronic circuit.
Question # 3
The use of LDR is in the circuit of.
Question # 4
The gate, which changes the logic level to its opposite level is called
Question # 5
The ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 6
The colour of light emitted by a LED depends on.
Question # 7
The symbol of p-n-p transistor is
Question # 8
When transistor are used in digital circuits they usually operate in the :
Question # 9
In a transistor, collector current is controlled by:
Question # 10
Light emitting diodes are made from semiconductors.
Question # 11
The reverse saturation current in a PN junction diode is only due to:
Question # 12
An expression for gain of an inverting amplifier is
Question # 13
The output from a full wave rectifier is
Question # 14
The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:
Question # 15
Transistor was discovered by
Question # 16
Which component of the transistor has greater contrition of impurity.
Question # 17
One use of a single p-n junction semiconductor in an electrical circuit is a
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 resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of. |
A. Ohms
B. Kilo Ohms
C. Mega Ohms
D. Thounds Ohms
|
| 2 | The chargeless region after formation of Pn junction is called: |
A. Free region
B. Depletion region
C. Field region
D. U.V region
|
| 3 | Which is not fundamental logic gate. |
A. NOT
B. AND
C. OR
D. NAND
|
| 4 | Base of transistor is of order: |
A. 10-11m
B. 106m
C. 10-8m
D. 10-6m
|
| 5 | In a transistor, collector current is controlled by: |
A. Collector voltage
B. Base current
C. Collector resistance
D. All of the above
|
| 6 | The central region of a transistor is called. |
A. Emitter
B. Collector
C. Base
D. Neutral
|
| 7 | In photovoltaic cell, current is directly proportional to. |
A. Wavelength of light
B. Intensity of light
C. Energy
D. Frequency of light
|
| 8 | A light emitting diode emits light only when |
A. Reverse biased
B. Forward biased
C. Unbiased
D. None of these
|
| 9 | Truth table of logic function. |
A. Summarize its output values only
B. Tabulates all its input conditions only
C. Display all its input and output possibility
D. Is not base on logic algebra
|
| 10 | Which factor does not affect the conductivity of PN-Junction diode. |
A. Doping
B. Temperature
C. Voltage
D. Pressure
|
Test Questions