Magnetic field at the centre of a complete circular loop (one turn) of a current carrying conductor will be (where current is i and radius of circular loop is R)
A conducting spherical thin shell of radius 4R is given a charge 6Q. Two point c
NextA magnet having magnetic moment of 3 × 10⁴ J T⁻¹ is free to rotate in a horizont
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
Easy-- The energy of an electron in nth orbit of hydrogen atom is E_n = -13.6/n² eV. The energy required
Medium-- Two magnets of magnetic moments M and 2M are placed in a vibration magnetometer, with like poles
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