BμC 60,0 A µC 0.500 m e-x Ⓡ (a) Three point charges, A = 2.10 µC, B = 6.50 μC, and C= -4.75 μC, are located at the corners of an equilateral triangle as in the figure above. Find the magnitude and direction of the electric field at the position of the 2.10 μC charge. magnitude N/C direction below the +x-axis (b) How would the electric field at that point be affected if the charge there were doubled? O The magnitude of the field would be halved. O The field would be unchanged. O The magnitude of the field would double. O The magnitude of the field would quadruple. Would the magnitude of the electric force be affected? O Yes O No

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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.