Related Questions

Of the following capacitors, which one has the highest dielectric constant?
A Air
B Mica
C Glass
D Paper
If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant.
A True
B False
Which of the following material has least value of dielectric constant ?
A Ceramics
B Oil
C Glass
D Paper
The value of dielectric constant for vacuum is taken as
A zero
B 1
C 4
D 10
The dielectric constant is the ability of a material to establish an electric field.
A True
B False
The dielectric constant (relative permittivity) of glass is given by
A 0.1 to 0.4
B 0.5 to 1.0
C 2.0 to 4.0
D 5 to 100
The dielectric constant of a material is a measure of:
A the amount of voltage it can withstand before breaking down
B how well the material concentrates electrostatic lines of force
C the amount of opposition to the current flow
D how well the material concentrates magnetic lines of force
E None of the above
Dielectric constant for mica is nearly
A 200
B 100
C 3 to 8
D 1 to 2
The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.
A 768
B 1127
C 1359
D 1480
For which of the following materials the saturation value is the highest?
A Ferromagnetic materials
B Paramagnetic materials
C Diamagnetic materials
D Ferrites

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