Two charges placed in water at a distance 1 m apart, experience net force F on each other. If these charges are now placed in air at the same distance, then the new net force (F') acting on each charge is such that
Resistance of voltmeter shown in the circuit is
NextElectric dipole moment of a system of three charges (-5q, 4q, q) as shown in fig
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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