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A cube of side 0·1 m is placed, as shown in the figure, in a region where electric field E = 500 x î exists. Here x is in meters and E in NC⁻¹. Calculate : (a) the flux passing through the cube, and (b) the charge within the cube.
An electric dipole consists of point charges – 1·0 pC and + 1·0 pC located at (0, 0) and (3 mm, 4 mm) respectively in x – y plane. An electric field E = (1000 V/m) î is switched on in the region. Find the torque acting on the dipole.
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