A magnet having magnetic moment of 3 × 10⁴ J T⁻¹ is free to rotate in a horizontal plane where magnetic field is 3 × 10⁻⁵ T. The work done by external agent to rotate the magnet slowly from a direction parallel to field to a direction opposite to the field, will be
Magnetic field at the centre of a complete circular loop (one turn) of a current
NextIf a series LCR circuit at resonance has a quality factor of Q and applied volta
Which of the following is not the unit of length :
Medium-- The speed of light in a medium is 1.5 × 10⁸ m/s. The critical angle for this medium with respect
MediumThe frequency of an electromagnetic wave in free space is 2 MHz. When it passes through a medium of
Easy-- In a p-type semiconductor, the majority charge carriers are
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Medium-- Two magnets of magnetic moments M and 2M are placed in a vibration magnetometer, with like poles
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