The figure shows two charges, ql and q2 with their straight- line distances to point P and the angles between these r vectors and the x-axis. a. Draw and label the E vector for each charge. Show relative magnitude. b. Draw and label the f vector for each charge c.Calculate the magnitude of the E field for each charge at point P 91 r1 92 02 P qi = +3µC q2 = -4µC ri = 11cm r2= 15cm O1 = 24° 02 = 11°

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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.