Magnetic Field Due To A Current Element Biot Savart Law
9 previous year questions.
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Chapter Questions 9 MCQs
(Neglect the effect of earth's magnetic field)
A certain elastic conducting material is stretched into a circular loop. It is placed with its plane perpendicular to a uniform magnetic field B = 0.8 T. When released the radius of the loop starts shrinking at a constant rate of 2 cm/s. The induced emf in the loop at an instant when the radius of the loop is 10 cm will be _____ mV.
A single current-carrying loop of wire carrying current I flows in the anticlockwise direction (seen from the +z direction) and lies in the xy plane. The plot of component of magnetic field ( ) at a distance a (less than radius of the coil) and on the yz plane vs z coordinate looks like:
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