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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
Transistor was invented by:
Question # 2
The output voltage of a rectifier is.
Question # 3
A two inputs NAND gat with inputs a and b has an output '0' if.
Question # 4
The open loop gain of the amplifier is order of.
Question # 5
Automatic function of street light can be done by the use of.
Question # 6
For normal use:
Question # 7
Rectification is the process of converting.
Question # 8
The potential barrier for silicon is.
Question # 9
The P.D develop in case of germanium is:
Question # 10
X=A+B is the mathematical notation for.
Question # 11
NAND gate represented by:
Question # 12
Light emitting diodes are made from semiconductors.
Question # 13
A diode characteristic curve is a plot between
Question # 14
Doping is made comparatively larger in
Question # 15
Transistors are made from
Question # 16
Which factor does not affect the conductivity of PN-Junction diode.
Question # 17
Pulsating output of full wave rectifier can be made smooth by using circuit called.
ICS 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 colour of light emitted by a LED depends on. |
A. It forward biased
B. Its reverse biased
C. Unbiased
D. None of these
|
| 2 | The potential difference across the depletion region of germanium is. |
A. 0.3 V
B. 0.5 V
C. 0.7 V
D. 0.8 V
|
| 3 | When transistor are used in digital circuits they usually operate in the : |
A. Active region
B. Break down region
C. Saturation & cutoff regions
D. Linear region
|
| 4 | Rectification is the process of converting. |
A. D.C. into A.C.
B. A.C. in to D.C.
C. Low signal to high
D. High signal to low
|
| 5 | 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)
|
| 6 | Light emitting diodes are made from semiconductors. |
A. Silicon
B. Germanium
C. Carbon
D. Gallium arsenide
|
| 7 | In full wave rectification number of diodes required are equal to. |
A. 2
B. 3
C. 4
D. 5
|
| 8 | During negative half cycle of A.c then p-n junction offers. |
A. High resistance
B. Low resistance
C. No resistance
D. All of these
|
| 9 | The use of LDR is in the circuit of. |
A. Logic gate
B. Rectifier
C. Oscillator
D. High Switch
|
| 10 | The central region of a transistor is called. |
A. Emitter
B. Collector
C. Base
D. Neutral
|
Test Questions