SSC JE Electrical 2019 with solution SET-1
 The laws involved in the expression e  = −dφ/dt are

Faraday’s and Ampere’s laws
Faraday’s and Lenz’s laws
Coulomb’s and Faraday’s laws
Coulomb’s and Ampere’s laws

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SSC JE Electrical 2019 with solution SET-1
Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

2 A/m
4 A/m
1 A/m
8 A/m

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