Electric dipole moment is expressed in debye unit. True False

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Question
Electric dipole moment is expressed in debye unit.
Options
A. True
B. False

Correct Answer

True

Materials and Components problems

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1. If W_F is the Fermi level, then in a metal at T = 0
Options
A. all energy levels above W_F filled, all those below W_F are empty
B. all energy levels below W_F are filled, all those above W_F are empty
C. some energy levels, both below and above W_F, are filled
D. all energy levels below and above W_F are filled

2. A vacuum parallel plate capacitor is charged. The field between the plates is 2 x 10⁴ V/m. If the space between the plates is filled with a material having ?_r = 10, then the value of field in the dielectric will be
Options
A. 2 x 10³ V/m
B. x 10⁴ V/m
C. 210 x 10⁴ V/m
D. 2 x 10⁵ V/m

3. In van der walls crystals, there exists a high degree of stability of the outer electron shell.
Options
A. True
B. False

4. By inserting a plate of dielectric between the plates of a parallel plate capacitor, the energy stored in the capacitor is increased five times. The dielectric constant of material is
Options
A.
B.
C. 5
D. 25

8. The units for intrinsic strength of dielectric are
Options
A. kV
B. kV/m
C. A
D. A/m

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