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  • Question
  • Magnetic flux density has the dimensions


  • Options
  • A. MI-1T-2
  • B. M-1I-2T-2
  • C. ML-3T-2
  • D. MI-1T-3

  • Correct Answer
  • MI-1T-2 

    Explanation
    Flux density = flux/area.

    More questions

    • 1. Frequency range for satellite communication is

    • Options
    • A. 1 kHz to 100 kHz
    • B. 100 kHz to 10 MHz
    • C. 10 MHz to 100 MHz
    • D. 1 GHz to 30 GHz
    • Discuss
    • 2. To prevent a DC return between source and load, it is necessary to use

    • Options
    • A. resistor between source and load
    • B. inductor between source and load
    • C. capacitor between source and load
    • D. either (a) or (b)
    • Discuss
    • 3. Dielectric constant of transformer oil is about

    • Options
    • A. 1
    • B. 4
    • C. 10
    • D. 20
    • Discuss
    • 4. Which one of the following can be used for amplification of microwave energy?

    • Options
    • A. TWT
    • B. Magnetron
    • C. Reflex klystron
    • D. Gunn diode
    • Discuss
    • 5. Which of the following is wrong for a magic used to tee?

    • Options
    • A. E and H arms are decoupled
    • B. coplanar arms are coupled
    • C. all ports are perfectly matched
    • D. A signal into coplanar arm splits equally between E and H arms
    • Discuss
    • 6. A UJT exhibits negative resistance characteristics when

    • Options
    • A. Current is less than valley current
    • B. Current is less than peak current
    • C. Current is more than peak current but less than valley current
    • D. None of the above
    • Discuss
    • 7. The signal defined by the equations f(t) = 0 for t < 0, f(t) = E for 0 ? t ? a and f(t) = 0 for t > a is

    • Options
    • A. a step function
    • B. a pulse function
    • C. a shifted step function originating at t = a
    • D. none of the above
    • Discuss
    • 8. Which of the following real variable names is not valid in Fortran?

    • Options
    • A. BETA
    • B. ALPHA
    • C. A
    • D. AB * 2
    • Discuss
    • 9. TE10 mode of propagation of electromagnetic energy in waveguides can be thought of as

    • Options
    • A. three TEM waves travelling along length of wave-guide
    • B. One TEM wave travelling along length of wave guide and one TEM wave propagation in the transverse plane
    • C. One TEM wave travelling along the length of wave guide and two TEM waves
    • D. none of the above
    • Discuss
    • 10. In sinusoidal PWM for inverters the width of different pulses are not the same.

    • Options
    • A. True
    • B. False
    • Discuss


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