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(A) : A magnetic field is produced either by a steady current or by a time varying electric field (R) : According to Ampere’s law ointbarB.bardl = mu_(0)i_(0)+mu_(0)epsilon_(0)(doint_(E ))/(dt)

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Both 'A' and 'R' are TRUE and 'R' is the correct EXPLANATION of 'A'.
Both 'A' and ’R' are true and 'R' is not the correct explanation of 'A
A' is true and 'R' is false
'A' is false and R' is true

Answer :C


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