Related Questions

If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant.
A True
B False
The dielectric constant is the ability of a material to establish an electric field.
A True
B False
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
When a dielectric material is subjected to alternating field, the absorption of energy by the material from the field is given by the imaginary part of polarizability.
A True
B False
Which of the following materials has the highest value of dielectric constant?
A Glass
B Vacuum
C Ceramics
D Oil
The value of dielectric constant for vacuum is taken as
A zero
B 1
C 4
D 10
Which medium has the least dielectric strength ?
A Paraffin wax
B Quartz
C Glass
D Air
Of the following capacitors, which one has the highest dielectric constant?
A Air
B Mica
C Glass
D Paper
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
Dielectric constant for mica is nearly
A 200
B 100
C 3 to 8
D 1 to 2

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