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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 discovered by
Question # 2
Photo diode is used for detection of.
Question # 3
For rectification we use.
Question # 4
Photo diode detects.
Question # 5
The potential difference across depletion region in case of Si is
Question # 6
The P.D develop in case of silicon is:
Question # 7
When transistor are used in digital circuits they usually operate in the :
Question # 8
A diode characteristics curve is a plot between
Question # 9
In a transistor, collector current is controlled by:
Question # 10
Doping is made comparatively larger in
Question # 11
The potential barrier for silicon is.
Question # 12
In a transistor, collector current is controlled by:
Question # 13
Light emitting diodes are made from semiconductors.
Question # 14
Reverse current flows due to
Question # 15
The use of LDR is in the circuit of.
Question # 16
A light emitting diode emits light only when
Question # 17
OR gate is represented by:
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 | When a PN-Junction is reverse biased the depletion region is. |
A. Widened
B. Narrowed
C. Normal
D. None of these
|
| 2 | Conversation of only one half of A.C. into D.C. is called. |
A. Half wave amplification
B. Wave amplification
C. Half wave electrification
D. Half wave rectification
|
| 3 | The device which is used as amplifier and works with the negative feedback is. |
A. Operational amplifier
B. P-n-p transistor
C. n-p-n transistor
D. Transistor
|
| 4 | 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
|
| 5 | For normal use: |
A. Emitter base function is reversed biased
B. Collector base junction is reserved biased
C. Emitter base junction is forward biased
D. Both c and b
|
| 6 | X=A+B is the mathematical notation for. |
A. OR gate
B. NOR gate
C. NAND gate
D. AND gate
|
| 7 | A.C. can be converted into D.C. by |
A. An oscillator
B. Detector
C. An amplifier
D. Rectifier
|
| 8 | The circuit of full wave rectification consist of |
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
|
| 9 | An expression for gain of an inverting amplifier is |
C. (R1R2)
D. None of these
|
| 10 | The reverse saturation current in a PN junction diode is only due to: |
A. Majority carriers
B. Minoritycarriers
C. Acceptor ions
D. Donor ions
|
Test Questions