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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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Answer» Both 'A' and 'R' are TRUE and 'R' is the correct EXPLANATION of 'A'. |
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