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The area enclosed by a hysteresis loop i...

The area enclosed by a hysteresis loop is a measure of

A

retentivity

B

susceptibility

C

permeability

D

energy loss per cycle

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The area enclosed by the lines |x|+|y|=2 is

    A
    1 sq unit
    B
    2 sq units
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    D
    none of these

  • Consider the following statements (i) for a permanent magnet the area of a hysteresis loop is allowed to be large (ii) Coercivity o the material in permanent magnets should be small. Which of the following statements is/are true?

    A
    (i) but not (ii)
    B
    (ii) but not (i)
    C
    Both (i) and (ii)
    D
    Neither (i) nor (ii)

  • The area of hysteresis loop of a material is equinalent to 250 joule. When 10 kg material is magnetised by an alternating field of 50 Hz then energy lost in one hour will be if the density of material is 7.5 gm//cm^(2)

    A
    `6xx10^(4)J`
    B
    `6xx10^(4)erg`
    C
    `3xx10^(2)J`
    D
    `3xx10^(2)erg`

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