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  • Question

  • If r is resistivity, l is length of wire, a is area of cross-section, ? is angular frequency, F is form factor, n is number of turns, d is coil diameter and r is resistance of a coil.

    List I List II
    A. Value of inductance 1. If r is resistivity, l is length of wire, a is area of cross-section, ? is angular frequency, F is f
    B. Power factor 2. If r is resistivity, l is length of wire, a is area of cross-section, ? is angular frequency, F is f
    C. Q factor 3. If r is resistivity, l is length of wire, a is area of cross-section, ? is angular frequency, F is f
    D. Value of resistance 4. Fn2d


  • Options
  • A. A-1, B-2, C-3, D-4
  • B. A-4, B-3, C-2, D-1
  • C. A-4, B-2, C-3, D-1
  • D. A-1, B-3, C-2, D-4

  • Correct Answer
  • A-4, B-3, C-2, D-1 

    • More questions

    • 1. The characteristics of which device has peak point and valley point

    • Options
    • A. SCR
    • B. PUT
    • C. SCS
    • D. Shockley diode
      • Discuss
    • 2. Schrodinger wave equation is partial differential equation.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The output frequency of a cycloconverter can be changed by changing the firing angle.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Most of the memory chips in static RAM

    • Options
    • A. do not require any supply
    • B. need 2 V supply
    • C. need 5 V supply
    • D. need 12 V supply
      • Discuss
    • 5. In crystalline solids, atoms are stacked in a regular manner.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The classes of solid dielectrics are

    • Options
    • A. A, B, C, D, E, F, H
    • B. A E B F H C D
    • C. Y A E B F H C
    • D. A E B F H C
      • Discuss
    • 7. The unit for mmf is

    • Options
    • A. A
    • B. Wb
    • C. T
    • D. V
      • Discuss
    • 8. In a single phase full wave regulator, the firing angles in the positive and negative half cycles are generally

    • Options
    • A. equal
    • B. different
    • C. equal or different
    • D. different but sometimes equal
      • Discuss
    • 9. The real part of complex dielectric constant and tan? for a dielectric are 2.1 and 5 x 10-4 at 100 Hz respectively. The imaginary part of dielectric constant at 100 Hz is

    • Options
    • A. 1.05 x 10-3
    • B. 2.1 x 10-3
    • C. 5 x 10-3
    • D. 1.05 x 10-2
      • Discuss
    • 10. The units for ?r are

    • Options
    • A. Farads
    • B. Farads/m
    • C.
    • D. no units
      • Discuss

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