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Effect of Frequency
a.From equation for given H p and μ
P v α √f
b.From equation the depth of penetration for a given material
δ α 1/ √f
c.From equation hysteresis losses
Wh α f
d.For a greater thermal conductivity of the material the frequency requirement will be high whereas for a greater resistivity of the material requirement of frequency will be less.
e.The flux density in ferromagnetic material will be higher than that in nine magnetic material hence in ferromagnetic material less frequency is required to produce same amount of heat.
Actual Loading Method This method is employed commonly for testing of single phase meters within laboratory. On a meter testing bench that is equipped along with several taps
What is Ideal and Real Sources?
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The frequency of an oscillator may be measured by an oscilloscope with a callbrated time base(True/False)
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