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The energy storing capacity of magnetic field is about ________ times greater than that of electric field.

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The energy storing capacity of magnetic field is about ________ times greater than that of electric field.

(a) 50,000

(b) 25,000

(c) 10,000

(d) 40,000

This question was addressed to me in examination.

This intriguing question comes from Principle of Energy Conversion topic in division Magnetic Circuits of Electrical Machines

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Right option is (b) 25,000

Easy explanation: As the energy storage capacity of the magnetic field is higher, it is most commonly used as coupling medium in electro-mechanical energy conversion devices.

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