Consider a thin rectangular sheet of sides a, b and thickness x, made of a material of resistivity ρ as shown below. The resistance between the two shaded opposite faces will be
A circular coil of wire consists of exactly 50 turns with a total resistance of
NextThe deflection in a moving coil galvanometer falls from x divisions to y divisio
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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