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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
The potential difference across depletion region in case of Si is
Question # 2
In an N-type silicon, which of the following statement is true?
Question # 3
When transistor are used in digital circuits they usually operate in the :
Question # 4
Improper bisting of a transistor circiut produces:
Question # 5
The open loop gain of the amplifier is order of.
Question # 6
During negative half cycle of A.c then p-n junction offers.
Question # 7
Reverse current flows due to
Question # 8
The mathematical symbol for NOR operation is
Question # 9
A diode characteristics curve is a plot between
Question # 10
The reverse saturation current in a PN junction diode is only due to:
Question # 11
The device which is used as amplifier and works with the negative feedback is.
Question # 12
The potential barrier for silicon is.
Question # 13
A transistor has parts:
Question # 14
Minimum number of semi conductor diodes required for full wave rectification are.
Question # 15
The ratio of potential barriers of Ge to Si at room temperatrue is.
Question # 16
The device which are required to convert various physical quantities into electric voltage are called.
Question # 17
Photodiode is used for:
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 | Which is not fundamental logic gate. |
A. NOT
B. AND
C. OR
D. NAND
|
| 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 | 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
|
| 4 | Output resistance of an op amp is |
A. High
B. Low
C. Zero
D. Equal to input resistance
|
| 5 | Light emitting diodes are made from semiconductors. |
A. Silicon
B. Germanium
C. Carbon
D. Gallium arsenide
|
| 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 | LDR becomes necessary when op amp is used as a |
A. Night switch
B. Inverter
C. Comparator
D. Rectifier
|
| 8 | For rectification we use. |
A. Transformer
B. Diode
C. Choke
D. Generator
|
| 9 | In photovoltaic cell, current is directly proportional to. |
A. Wavelength of light
B. Intensity of light
C. Energy
D. Frequency of light
|
| 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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