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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 ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 3
For normal transistor the emitter current can be given by
Question # 4
Pulsating output of full wave rectifier can be made smooth by using circuit called.
Question # 5
Doping is made comparatively larger in
Question # 6
The output voltage of a rectifier is.
Question # 7
In a transistor, collector current is controlled by:
Question # 8
Improper bisting of a transistor circiut produces:
Question # 9
Photo diode is used for detection of.
Question # 10
In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because
Question # 11
The ratio Beta in transistor is called.
Question # 12
A two inputs NAND gat with inputs a and b has an output '0' if.
Question # 13
The central region of a transistor is called.
Question # 14
The potential difference across the depletion region of germanium is.
Question # 15
A device which converts low voltage or current to high voltage or current is called.
Question # 16
Photo diode detects.
Question # 17
When transistor are used in digital circuits they usually operate in the :
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 | Photo diode is used for detection of. |
A. Heat
B. Magnet
C. Current
D. Light
|
| 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 semi conductor diode has the property of |
A. Two way conduction
B. Zero conduction
C. One way conduction
D. Amplification
|
| 4 | In a transistor, collector current is controlled by: |
A. Collector voltage
B. Base current
C. Collector resistance
D. All of the above
|
| 5 | Light emitting diodes are made from semiconductors. |
A. Silicon
B. Germanium
C. Carbon
D. Gallium arsenide
|
| 6 | 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
|
| 7 | The output voltage of a rectifier is. |
A. Smooth
B. Pulsating
C. Alternating
D. Per featly direct
|
| 8 | Photo diode detects. |
A. Visible light
B. Radio waves
C. X rays
D. All of them
|
| 9 | The average gap for Germanium at 0K is |
A. 1.12 ev
B. 0.02 ev
C. 6.72 ev
D. 7.2 ev
|
| 10 | _______ is the building block of every electronic circuit. |
A. Semi conductor diode
B. Resistor
C. Capacitor
D. Amplifier
|
Test Questions
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