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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
LDR becomes necessary when op amp is used as a
Question # 2
Reverse current flows due to
Question # 3
A light emitting diode emits light only when
Question # 4
In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because
Question # 5
A device which converts low voltage or current to high voltage or current is called.
Question # 6
The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:
Question # 7
The device which is used as amplifier and works with the negative feedback is.
Question # 8
For normal transistor the emitter current can be given by
Question # 9
The ratio Beta in transistor is called.
Question # 10
A transistor has:
Question # 11
Pulsating output of full wave rectifier can be made smooth by using circuit called.
Question # 12
The sensor of light is.
Question # 13
In a transistor, collector current is controlled by:
Question # 14
For automatic Switching of streetlight, the op amplifier is used as.
Question # 15
The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.
Question # 16
The open loop gain of the amplifier is order of.
Question # 17
Which component of the transistor has greater contrition of impurity.
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 | A diode characteristics curve is a plot between |
A. Current and resistance
B. Voltage and time
C. Voltage and current
D. Current and time
|
| 2 | The potential barrier for silicon is. |
A. 0.7 V
B. 0.5 V
C. 0.3 V
D. 0.9 V
|
| 3 | Transistors are made from |
A. Plastics
B. Metals
C. Insulator
D. Doped semi conductors
|
| 4 | The use of LDR is in the circuit of. |
A. Logic gate
B. Rectifier
C. Oscillator
D. High Switch
|
| 5 | The open loop gain of the amplifier is order of. |
A. 106
B. 105
C. 107
D. 103
|
| 6 | A diode characteristic curve is a plot between |
A. Current and time
B. Voltage and time
C. Voltage and current
D. Forward voltage and reverse voltage
|
| 7 | The semi conductor diode has the property of |
A. Two way conduction
B. Zero conduction
C. One way conduction
D. Amplification
|
| 8 | When a PN-Junction is reverse biased the depletion region is. |
A. Widened
B. Narrowed
C. Normal
D. None of these
|
| 9 | Base of transistor is of order: |
A. 10-11m
B. 106m
C. 10-8m
D. 10-6m
|
| 10 | The impurity in the germinium is usually in the ratio of |
A. 1:106
B. 1:104
C. 1:108
D. 1:1010
|
Test Questions