X2. A charged plastic ball of mass 1.0 gram is suspended on a string in the presence of a uniform electric field as shown in figure below. When E = (3.0i+ 5.0j) x10³N/C, the ball is in equilibrium at 0 = 37°. Find (a) the charge on the ball and (b) the tension in the string. 8 E

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.