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Electrostatics Set 1
Results
#1.
Farad is defined as:
#2.
Gravitational force between two objects does not depends on:
Force
Force
Masses
Masses
Distance
Distance
Medium
Medium
#3.
The charge on the electron was calculated by
Faraday
Faraday
J.J. Thomson
J.J. Thomson
Millikan
Millikan
Einstein
Einstein
#4.
The capacitance of a parallel plate capacitor is given by:
C = A/ε0) b) c) d)
C = A/ε0) b) c) d)
C= ε0 d/A
C= ε0 d/A
C = A ε0/d
C = A ε0/d
C = ε0 d/ A
C = ε0 d/ A
#5.
The expression of energy stored in a capacitor is given by:
E =CV^ 2
E =CV^ 2
E = 1/2 * C * V ^ 2
E = 1/2 * C * V ^ 2
E = 1/2 * C ^ 2 * V
E = 1/2 * C ^ 2 * V
E= 1/2 * (CV) ^ 2
E= 1/2 * (CV) ^ 2
#6.
The ratio of Cvac and Cmed mod is equal to
εr
εr
(1/εr)
(1/εr)
ε0
ε0
(1/ε0)
(1/ε0)
#7.
Unit of energy density of electric field is:
JC-1
JC-1
JV-1
JV-1
Jm-3
Jm-3
JF-3
JF-3
#8.
The term "RC" has same unit as that of:
Potential
Potential
Capacitance
Capacitance
Energy
Energy
Time
Time
#9.
An accurate measurement of emf of a cell is made by
A voltmeter
A voltmeter
An ammeter
An ammeter
A potentiometer
A potentiometer
All of them
All of them
#10.
The ratio of emf of two cells1 to cells 1/2, is equal
L1/L2
L1/L2
1:2
1:2
L2/L1
L2/L1
2:1
2:1
Finish
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