WorksheetsChapter (9) Capacitance
Total questions: 20
Worksheet time: 7mins
For a vacuum ĸ=1, for other media _____.
ĸ=0
ĸ<1
ĸ>1
If the distance between two metal plates is increase its capacitance is_____.
decrease
increase
constant
A capacitor stores electrical energy in the form of an_____field.
magnetic
electric
gravitational
The SI unit for surface charge density is _____.
Cm-2
Vm-2
As
1CV-1 is expressed as one ____.
volt
ohm
farad
The unit farad is named in honor of scientist _____.
Coulomb
Michael Faraday
Joule
The magnitude of the electric field in the region between two parallel oppositely-charged metal plates is ____.
zero
non uniform
uniform
When the distance between the two parallel plates of a capacitor of a capacitance 10µF is doubled the capacitance will become______.
5µF
20µF
25µF
A ____ capacitor is a simplest capacitor.
cylinder
parallel-plate
spherical
A capacitor consists of two ____ separated by a small distance.
conductors
insulators
semiconductors
If one conductor of a capacitor ha a charge of +0.002C, then the other has _____.
+0.002C
-0.002C
±0.002C
In series connection, all capacitors have the same_____.
potential
current
charges
The insulating materials are also called_____.
dielectrics
conductors
inductors
The greatest capacitance can be obtained by connecting several capacitors in_____.
series
parallel
none of these
The amount of charge given to a conductor to change its potential by one unit is called______.
electric capacity
thermal capacity
charge density
Two 5µF capacitors are connected in parallel. The equivalent capacitance is______.
25µF
10µF
2.5µF
The ratio of the permittivity of an insulator to that of vacuum is called_____ of that insulator.
dielectric constant
electric capacity
relative density
The energy stored in a capacitor is directly proportional to ____ .
C2
Q2
V2
A dielectric material is a/an _____.
insulator
conductor
semiconductor
To have the same charge on several capacitors in a battery circuit they should be connected in ____.
series
parallel
none of these
