Two point charges of 25μC and -36μC of charges are separated by a distance of 4m in air. Determine the position of the point at which the
resultant electric field is zero and find the magnitude and sign of charge to be placed at that point so that the system will be in equilibrium? `(20m 500µC)
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What is the force between two small charged spheres having charges of 2 ×10-7C ... The net charge on the system of two rubbed bodies is zero. ... (b) If two field lines cross each other at a point, then electric field intensity will ... Calculate the magnitude of the torque acting on the dipole. ... Give the signs of the three charges.
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