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  • Question
  • Electric dipole moment is usually expressed in debye units. Here, 1 debye unit equals


  • Options
  • A. 3.33 x 10-30 C-m
  • B. 3.33 x 10-30 C-m2
  • C. 3.30 x 10-10 C-m
  • D. 3.33 x 10-10 C-m2

  • Correct Answer
  • 3.33 x 10-30 C-m 


  • Materials and Components problems


    Search Results


    • 1. The number of tightly bound electrons in silicon atom are

    • Options
    • A. 14
    • B. 10
    • C. 6
    • D. 4
    • Discuss
    • 2. A dielectric is subjected to alternating field. The dielectric losses are potential to

    • Options
    • A. real part of dielectric constant
    • B. imaginary part of dielectric constant
    • C. both real and imaginary parts of dielectric constant
    • D. either real or imaginary part of dielectric constant
    • Discuss
    • 3. The spin angular momentum along a given direction is either or .

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The equation D = ?0?r E refers only to isotropic materials.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. Lines of magnetic field cannot intersect.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. An electron (charge -e) is rotating in a circular orbit of radius R, around a proton with charge +e at a constant angular velocity ?. The orbital magnetic dipole moment is

    • Options
    • A. 0.5 e? R2
    • B. e? R2
    • C. 2 e? R2
    • D. 0.5 e? R3
    • Discuss
    • 7. The dielectrics having only one kind of atoms are known as elemental dielectrics.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. A circular sphere mile is the area of cross-section of a wire

    • Options
    • A. having a diameter equal to 1 miles
    • B. having a radius equal to 1 miles
    • C. having a circumference equal to 1 miles
    • D. none of the above
    • Discuss
    • 9. 1 Bohr magneton = .

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. Which of the following is used in lightning arresters?

    • Options
    • A. Thermistor
    • B. Photoconductor
    • C. Transistor
    • D. Varistor
    • Discuss


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