SSC JE Electrical 2019 with solution SET-1
 Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

4
0.5
2
1

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SSC JE Electrical 2019 with solution SET-1
 The law that explains about the economic size of a conductor is:

Kelvin’s law
Newton’s law
Lamberts law
Faraday’s law

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