Two 2.0-g spheres are suspended by 10.0-cm-long light strings (Fig. P15.57). A uniform electric field is applied in the x -direction. If the spheres have charges of −5.0 × 10−8 C and +5.0 × 10−8 C, determine the electric field intensity that enables the spheres to be in equilibrium at 0 = 10°.

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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.