An alternating current varying sinusoidally with a frequency of 50 Hz has an rms value of 40 A. Find: a. The instantaneous value of 0.0025 seconds after passing through maximum positive value, b. The time measured from the maximum value when the instantaneous current is 14.14 A.

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Magnetic Moment

The magnetic moment is defined as the alignment of a magnet and its strength when the magnet is creating a magnetic field. There are number of examples of the magnetic moment, few are a current carrying conductor in the form of coil, elements at microscopic levels like electrons and many more.