The resistance of a wire is ′R′ ′ ohm.Each point on a surface is associated with a direction, called the surface normal the magnetic flux through a point is then the component of the magnetic field along this direction.If the electric dipole is slightly rotated from its equilibri.Two charges, each equal to q, are kept at x=−a….There are two concentric spherical surfaces S1 of radius R and S2 of radius…. Two pith balls, each of mass 1.8 g are suspended from….A point charge +q is placed at the centre of a cube of side L … (BITSAT 2010).A coil of 100 turns and area 2×10 −2m 2 is pivoted about a vertical diameter in a uniform magnetic field … (MET 1980).A cone of base radius R and height h is located in a uniform electric field … (JEE Mains 2014).A spherical conductor of radius 10 cm has a charge of 3.2 × 10 −7 C … (NEET 2020).An electron falls from rest through a vertical distance h in a uniform and vertically upward-directed electric field E … (NEET 2018).A capillary tube of radius R is immersed in water and water rises in it to a height H … (BITSAT 2017). ![]()
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