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Electrostatics
3 capacitors with capacitances 5µ F, 6µ F and 7µ F are arranged in series combination with a battery of 5V, as 1µ F = 10
-6
F, the total capacitance should be
2.8 µF
1.5 µF
2.3 µF
1.96 µF
Author:
rikazzz
Comment
Electrostatics
The fundamental law of electric force between two stationary charged particles is established by
Newton
Ohm
Hooke
Coulomb
Author:
rikazzz
Comment
Electrostatics
1 micro farad (1µF) is equal to
1×10
-9
F
1×10
-12
F
1×10
-6
F
1×10
-10
F
Author:
rikazzz
Comment
Electrostatics
If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the places should be
0.5 V
2 V
5 V
10 V
Author:
rikazzz
Comment
Electrostatics
A person standing inside “Faraday cage” is not affected by the electric field because
electric potential is positive
electric potential is negative
zero electric potential
electric field outside the cage cancels the field inside
Author:
rikazzz
Comment
Electrostatics
A charge in the electric field always
moves from lower potential to higher potential
moves from higher potential to lower potential
stay at higher potential
stay at lower potential
Author:
rikazzz
Comment
Electrostatics
The property of attraction or repulsion between substances is due to the
electric charges
neutrons
atoms
capacitors
Author:
rikazzz
Comment
Electrostatics
One micro coulomb is equal to
10
-6
10
-8
10
-4
10
-9
Author:
rikazzz
Comment
Electrostatics
The spacing between field lines shows their
direction
position
strength
none of above
Author:
rikazzz
Comment
Electrostatics
The amount of work done in bringing unit positive charge from infinity to a point in electric field is called
coulomb’s force
electrostatic force
electric potential
resistance
Author:
rikazzz
Comment
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