More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Physics Fsc Part 2 Online Test MCQs With Answers
Question # 1
The most common source of an A.C. Voltage is.
Choose an answer
Motor
Cell
Generator
Thermo couple
Previous
Skip
Next
Question # 2
In Millikan's oil drop experiment a charged particle of mass 'm' is in equilibrium in an will
Choose an answer
Zero
g/2
g
2g
Previous
Skip
Next
Question # 3
The output from a full wave rectifier is
Choose an answer
An ac voltage
A dc voltage
Zero
A pulsating unidirectional voltage
Previous
Skip
Next
Question # 4
A Current flowing towards the reader is denoted by.
Choose an answer
Cross
a bracket
A dot
Positive sign
Previous
Skip
Next
Question # 5
Magnetic flux density is measured in
Choose an answer
Weber
Weber/m2
Tesla -m
Gauss
Previous
Skip
Next
Question # 6
Doping is made comparatively larger in
Choose an answer
Emitter
Base
Collector
P -type semi conductor
Previous
Skip
Next
Question # 7
In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?
Choose an answer
4 times
1/4 times
8 times
2 times
Previous
Skip
Next
Question # 8
The temperature at which, semiconductor behaves as insulators:
Choose an answer
10k
0k
237k
None of above
Previous
Skip
Next
Question # 9
Light of 4.5 eV is incident on a Cesium surface and stopping potential is 0.25 eV, maximum K.E. of emitted electron is.
Choose an answer
4.5 eV
4.25 eV
4.75 eV
0.25 eV
Previous
Skip
Next
Question # 10
The product of resistance and conductance is
Choose an answer
1
Resistivity
Conductance
Zero
Previous
Skip
Next
Question # 11
Seven resistances are connected as shown in the figures . THe equivalent resistance between A and B is:
Choose an answer
3Ω
4Ω
4.5Ω
5Ω
Previous
Skip
Next
Question # 12
An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
Choose an answer
50 Hz
100 Hz
80 Hz
120 Hz
Previous
Skip
Next
Question # 13
Laser can be made by creating.
Choose an answer
Meta stable
Population inversion
Excited state
All of these
Previous
Skip
Next
Question # 14
In LR circiut which one of the following statements is correct?
Choose an answer
L and R opposes each other
R value increases with frequency
The inductive reactance increases with frequency
The inductive reactance decreases with frequency
Previous
Skip
Next
Question # 15
The first theory about the structure of an atom was introduced by
Choose an answer
Neil Bohr
Einstein
Compton
Rutherford
Previous
Skip
Next
Question # 16
A block body is an ideal:
Choose an answer
Absorber
Radiator
Both a & b
None of above
Previous
Skip
Next
Question # 17
The typical nuclei are less than:
Choose an answer
10
-16
m
10
-14
m
10
-12
m
10
-10
m
Previous
Skip
Next
Question # 18
The Basic circuit element in a D.C. circuits which controls the current and voltage is
Choose an answer
Resistor
Inductor
Capisitor
Transistor
Previous
Skip
Next
Question # 19
In three phase A.C supply coils are inclined at an angle of.
Choose an answer
0
o
90
o
120
o
80
o
Previous
Skip
Next
Question # 20
Semiconductor diodes are called:
Choose an answer
Ohmic
non ohmic
Both a & b
none of above
Previous
Skip
Next
Question # 21
In A.C. generator , when plane of coil is perpendicular to magnetic field, then output of generator is.
Choose an answer
NwAB
2pi f
Maximum
Zero
Previous
Skip
Next
Question # 22
Phase difference between V and I of an A.C through resistor is.
Choose an answer
Zero Degree
90
o
80
o
120
o
Previous
Skip
Next
Question # 23
Binding energy per nucleon is maximum for
Choose an answer
Platinum
Iron
Uranium
Lead
Previous
Skip
Next
Back