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 Chapter 2 Online Test MCQs With Answers
Question # 1
Tolerance of "Gold" band.
Choose an answer
±10%
±5%
±15%
±20%
Previous
Skip
Next
Question # 2
The resistivity of two wires is
ρ
1
and
ρ
2
which are connected in series. If there dimentions are same then the equivalent resistivity of the combination will be:
Choose an answer
(
ρ
1
+
ρ
2
)
1/
ρ
1
+ 1/
ρ
2
ρ
1
+
ρ
2
/2
ρ
1/
ρ
2
Previous
Skip
Next
Question # 3
Heat energy is converted into electrical energy.
Choose an answer
Solar cells
thermocouples
Electric generators
None of above
Previous
Skip
Next
Question # 4
Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained?
Choose an answer
3 RΩ
2R /4Ω
R/3Ω
2R /3Ω
Previous
Skip
Next
Question # 5
The heat produced by passage of current.
Choose an answer
H=I
2
Rt
H=IR2T
H=I/Rt
H=I
2
/Rt
Previous
Skip
Next
Question # 6
106 electrons are moving through a wire per second the current developed is:
Choose an answer
1.6 x 10-19 A
1 A
1.6 x 10-13A
106 A
Previous
Skip
Next
Question # 7
In gas the charge carriers are:
Choose an answer
Electrons
Ions
Both a & b
None of above
Previous
Skip
Next
Question # 8
In carbon resistors, then value of Blue colour is.
Choose an answer
6
7
8
9
Previous
Skip
Next
Question # 9
If 1 x 10
7
electrons passes through a conductor in 1.0 micro second , then the current is.
Choose an answer
2 A
1.6 A
2.6 x 10
-6
A
1.6 x 10
-6
A
Previous
Skip
Next
Question # 10
Thermosouple is an arrangement of two different metals:
Choose an answer
Two convert heat energy into electrical energy
To produce more heat
To convert heat energy into chemical energy
To convert electrical energy into heat energy
Previous
Skip
Next
Question # 11
e.m.f is the conversion of --------------- energy into electrical energy
Choose an answer
Chemical
Solar
Light
None of these
Previous
Skip
Next
Question # 12
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 # 13
Thermistor with high - ve temperature coefficient are very accurate for measuring low temperature especially near is.
Choose an answer
10 kelvin
70 kelvin
200 kelvin
35 kelvin
Previous
Skip
Next
Question # 14
The vessel containing the tow electrodes and liquid to known as.
Choose an answer
Chemical cell
Volt cell
Volta cell
Volta meter
Previous
Skip
Next
Question # 15
If a charge Q flows through any cross section of the conductor in time t, the current I is
Choose an answer
I=Qt
Previous
Skip
Next
Question # 16
A certain wire has a resistance R, the resistivity of an other wire of an identical material with the first, except for twice its diameter is.
Choose an answer
1/4 R
4R
2R
Same as R
Previous
Skip
Next
Question # 17
Magnetic effect of current is used
Choose an answer
To detect a current
To measure a current
In electric motor
All of above
Previous
Skip
Next
Back