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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
When a PN-Junction is reverse biased the depletion region is.
Question # 2
In an N-type silicon, which of the following statement is true?
Question # 3
The ratio Beta in transistor is called.
Question # 4
The impurity in the germinium is usually in the ratio of
Question # 5
In photovoltaic cell, current is directly proportional to.
Question # 6
The central region of a transistor is called.
Question # 7
The output of two input is zero only when its.
Question # 8
Greater concentration of impurity is added in.
Question # 9
In a transistor, collector current is controlled by:
Question # 10
An expression for gain of an inverting amplifier is
Question # 11
Which is not fundamental logic gate.
Question # 12
The device which is used as amplifier and works with the negative feedback is.
Question # 13
The semi conductor diode has the property of
Question # 14
In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because
Question # 15
Most of the electrons in the base of an NPN transistor flow:
Question # 16
Which diode works at reverse biasing.
Question # 17
Automatic function of street light can be done by the use of.
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 gate, which changes the logic level to its opposite level is called |
A. NOR gate
B. AND gate
C. OR gate
D. NOT gate
|
| 2 | The output voltage of a rectifier is. |
A. Smooth
B. Pulsating
C. Alternating
D. Per featly direct
|
| 3 | Photodiode is used for: |
A. Detection of current
B. Detection of heat
C. Detection of light
D. Both a & b
|
| 4 | LDR becomes necessary when op amp is used as a |
A. Night switch
B. Inverter
C. Comparator
D. Rectifier
|
| 5 | Which one has greater cone of impurity among all: |
A. Emitter
B. Base
C. Collector
D. All are pure
|
| 6 | 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
|
| 7 | The circuit of full wave rectification consist of |
A. Three diodes
B. Four diodes
C. Two diodes
D. One diode
|
| 8 | NAND gate represented by: |
A. X = A. B
B. X = A+B
C. X= A.B
D. X=|A+B|
|
| 9 | The chargeless region after formation of Pn junction is called: |
A. Free region
B. Depletion region
C. Field region
D. U.V region
|
| 10 | Which factor does not affect the conductivity of PN-Junction diode. |
A. Doping
B. Temperature
C. Voltage
D. Pressure
|
Test Questions
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