Electrostatics

Electrostatics
The lines of the electric field were introduced by
Newton
Michael Faraday
John burges
Henry Pascal
Author: rikazzz Comment
Electrostatics
Capacitors which uses chemical reactions to store charge are
paper capacitors
electrolytic capacitor
parallel plate capacitor
mica capacitor
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Electrostatics
Each bolt of lightning contains about
2500 J of energy
3000 J of energy
1500 J of energy
1000 J of energy
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Electrostatics
The charge stored on plates of capacitors is directly proportional to the
potential difference
electric field industry
electric field
electric field intensity
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Electrostatics
The ability of a capacitor to store charge depends upon
area of plates
distance between plates
type of dielectric used
all of above
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Electrostatics
A region around a charge in which it exerts an electrostatic force on another charge is called
electric field industry
electric shock
electric path
electric field
Author: rikazzz Comment
Electrostatics
3 capacitors with capacitances 5µ F, 6µ F and 7µ F are arranged in parallel combination with a battery of 5V, as 1µ F = 10^-6F, the quantity of charge on each plate of the capacitor is
25µC, 30µC, 35µC
15µC, 20µC, 25µC
5µC, 10µC, 15µC
45µC, 50µC, 55µC
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Electrostatics
If a charge is moved from lower power potential to higher potential, then energy should be
released
remains same
supplied
converted
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Electrostatics
Like charges always
repel each other
attract each other
cancel each other
none of above
Author: rikazzz Comment
Electrostatics
If 1 joule of work is done against the electric field in bringing 1C positive charge from infinity to a point in the electric field then the potential at that point will be
1/2 volt
1 volt
2 volt
3 volt
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