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When The Current Changes From + 2 A To -2 A In 0.05 S, An Emf Of 8V Is Induced In A Coil. The Coefficient Of Self Induction Of The Coil Is
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Magnetic Flux Of 10 U Wb Is Linked With A Coil, When A Current Of 2mA Flows Through It. What Is The Self Inductance Of The Coil ?
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A Solenoid Of Inductance 2 H Carries A Current 1 A. What Is The Magnetic Energy Stored In A Solenoid ?
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A Solenoid Of Inductance 2 H Carries A Current 1 A. What Is The Magnetic Energy Stored In A Solenoid ?
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Induced Emf In The Coil Depends Upon
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Energy Required To Establish A Current Of 4 A In A Coil Of Self Inductance L= 200 MH Is
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Quantity That Remains Unchanged In A Transformer Is
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Which Types Of Losses Do Not Occur In The Transformer ?
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Turn Ratio Is 1.25. The Step-up Transformer Operates At 230 V And Current Through Secondary Is 2 A. Then, Current In Primary Is
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Induction Furnace Is Based On The Heating Effect Of
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The Core Of A Transformer Is Laminated To Reduce
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A Transformer Works On The Principle Of
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The Magnetic Field B = 2t + 4t2 (where T = Time) Is Applied Perpendicular To The Plane
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Two Concentric Coils Each Of Radius Equal To
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A Bar Magnet Is Placed Upright On A Floor
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A Rectangular, A Square, A Circular And An Elliptical Loop
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A Coil Having An Area 2m2 Is Placed In A Magnetic Field
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