Electrostatics

Electrostatics
A capacitor holds 0.06 C of charge when fully charged by a 9V battery. The capacitance of the capacitor is
6.67 × 10^-3
5 × 10^-3
3.58 × 10^-3
2.68 × 10^-3
Author: rikazzz Comment
Electrostatics
A fire or an explosion may occur due to excessive build-up of electric charges produced by
heat
friction
chemicals
work done
Author: rikazzz Comment
Electrostatics
The study of charges at rest is called
chemical electricity
heat electricity
static electricity
mechanical electricity
Author: rikazzz Comment
Electrostatics
Electric potential is a
unmeasurable quantity
vector quantity
scalar quantity
none of above
Author: rikazzz Comment
Electrostatics
To store, the charge a device is used called
electric box
capacitor
plug
adopter
Author: rikazzz Comment
Electrostatics
SI unit of capacitance is
Newton(N)
coulomb(C)
Pascal(Pa)
farad(F)
Author: rikazzz Comment
Electrostatics
A capacitor holds 0.03 C of charge when fully charged by a 6V battery. To hold 2C of charge, the voltage required would be
150V
100V
300V
400V
Author: rikazzz Comment
Electrostatics
The capacitor which has a dielectric between its plates and is made of a flexible material that can be rolled into the shape of a cylinder is called
ceramic capacitors
fixed capacitors
parallel plate capacitors
electrolytic capacitors
Author: rikazzz Comment
Electrostatics
The region around a charge q in which it exerts a force on a test charge is called
electric field intensity
electric force
electric field
coulomb’s force
Author: rikazzz Comment
Electrostatics
3 capacitors with capacitances 5µF, 6µF and 7µF are arranged in parallel combination with a battery of 5V, as 1µF = 10^-6F, the total capacitance should be
18 µF
20 µF
12 µF
40 µF
Author: rikazzz Comment

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