Magnetic Circuit – HI MCQ!

The initial rate of rise of current through a coil of inductance 1O H when suddenly connected to a D.C. supply of 200 V is ……….. A/s?

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A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is?

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The magnetising force (H) and magnetic flux density (B) are connected by the relation?

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Silicon steel is used in electrical machines because it has?

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Relative permeability of vacuum is?

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When both the inductance and resistance of a coil are doubled the value of?

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ln order to minimise loss due to hysteresis, the magnetic material should have?

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Permeability in a magnetic circuit corresponds to in an electric circuit?

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While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit?

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The unit of magnetic flux is?

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