The figure below shows two tiny charged spheres q1 = +5 µC and q2 = −7.5 µC separated by 8.0 cm. a) Draw and label the electric fields at point ã and determine the magnitude and direction of the electric field at point P. b) If q3 = −3.2 mC is placed at point P, draw and label the FBD of q3 and determine the magnitude and direction of the force on q3.

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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.