What is the forbidden energy gap of a dielectric?
Less than 1.2 eV
Greater than to 1.2 eV
Less than 3 eV
Equal to 4 eV
What is the torque acting on a dipole in a uniform magnetic field?
T = mB2lsinθ
T = mB3lsinθ
T = mB4lsinθ
T = mB5lsinθ
When is the angle between the dipole and the field?
150 degrees
120 degrees
80 degrees
180 degrees
What is the value of 1 Debye in cm?
3.33 X 10-28 cm
3.335× 10-30 C m
3.33 X 10-32 cm
3.33 X 10-34 cm
What is the symbol of electric susceptibility?
Xe
Xs
Ys
Ye
What is the new capacitance of the plates if dielectric constant K and plate separation of thickness one-fourth of the thickness are inserted between the plates?
(K+2)C4
4KCo/1 + 5K
4KCo/K + 3
4KCo/1 + 3K
What is the expression for electric susceptibility ?
Xe = P/E
EK
E (K + 1)
E (K – 1)
What is the polarization produced when a sheet of polystyrene 0.5 mm thick is subjected to 220 V?
2.78 X 10-6 C/m
3.91 X 10-6 C/m
4.12 X 10-6 C/m
5.84 X 10-6 C/m
How many Dielectric Properties of Solids are there?
3
5
4
2
What is the non-polar dielectric element?
Nitrogen
Zinc
Methane
Helium
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