Home Quiz Interesting facts about Dielectrics and Polarisation
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Interesting facts about Dielectrics and Polarisation

1st - University grade
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Trends , Others , Physics
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Preview (10 questions)
1 Question
vor 30 Sekunden
Q.

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
2 Question
vor 30 Sekunden
Q.

What is the torque acting on a dipole in a uniform magnetic field?

T = mB2lsinθ

T = mB3lsinθ

T = mB4lsinθ

T = mB5lsinθ
3 Question
vor 30 Sekunden
Q.

When is the angle between the dipole and the field?

150 degrees

120 degrees

80 degrees

180 degrees
4 Question
vor 30 Sekunden
Q.

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
5 Question
vor 30 Sekunden
Q.

What is the symbol of electric susceptibility?

Xe

Xs

Ys

Ye
6 Question
vor 30 Sekunden
Q.

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
7 Question
vor 30 Sekunden
Q.

What is the expression for electric susceptibility ?

Xe = P/E

EK

E (K + 1)

E (K – 1)
8 Question
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Q.

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
9 Question
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Q.

How many Dielectric Properties of Solids are there?

3

5

4

2
10 Question
vor 30 Sekunden
Q.

What is the non-polar dielectric element?

Nitrogen 

Zinc

Methane

Helium