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Chapter 13 - Electrostatics - 1
1.
Study of the behaviour of charges at rest is called_______________..
a) Electromagnetics
b) Charge
c) Electrostatics
d) Current
2.
Photocopier machine is a practical application of _______________.
a) Current
b) Electromagnetics
c) Electrons
d) Electrostatics
3.
SI unit of charge is ______________.
a) C
2
/N - m
2
b) 1.6x10
-19
C
c) Coulomb
d) 6.25 x 10
18
Electrons
4.
Magnitude of charge on one proton is ________________.
a) 6.25 x 10
18
Electrons
b) Electric Intensity
c) C
2
/N - m
2
d) 1.6x10
-19
C
5.
One coulomb of charge is the charge on _____________ electrons.
a) 1.6x10
23
Electrons
b) 6.25 x 1018
c) 6.25 x 10
18
Electrons
6.
The force of interaction between the charges is ____________ proportional to the product of the charges and inversely proportional to the square of the distance between them
a) Electrostatics
b) Directly
c) indirectly
7.
The unit of relative permittivity is ________________.
a) 1.6x10
23
Electrons
b) C
2
/N - m
2
c) C
-2
/N - m
2
8.
The gradient of electric potential is _____________.
a) Charge Intensity
b) Electric Intensity
c) Current Intensity
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