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Chapter 13 - Electrostatics - 5
1.
Work done per unit charge is called:
a) Electric Intensity
b) None of the above
c) Electric potential
d) Electric flux
2.
ERG stands for:
a) Electric retino graphy
b) None of the above
c) Energy radio graph
d) Electro radio graphy
3.
The Unit of capacitance is:
a) Farad
b) None of above
c) Ohm
d) Coulomb
4.
Magnitude of dielectric constant can be found by:
a) C
med
/C
vac
b) C
vac
+C
med
c) C
med
-C
vac
d) C
vac
/C
med
5.
A substance containing equal no of opposite charges separated by a small distance is known as:
a) Dipole
b) Super conductor
c) LED
d) Insulator
6.
A capacitor of capacitance 2μF is connected with a battery of 12 volt, the charge stored is equal to:
a) 2.5x10
-5
C
b) 2.4x10
-6
C
c) 2.4x10
5
C
d) 2.4x10
-5
C
7.
A capacitance of a capacitor can be increased by:
a) Decreasing the distance b/w plates
b) All of the above
c) Placing a dielectric b/w them
d) Increasing the area of plates
8.
If the potential difference across the two plates of a parallel plate capacitor is doubled then its energy stored in it will be:
a) Two times
b) 15 times
c) Remains same
d) 4 times
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