On the x axis, a point charge Q1 = –3.43E-6 C is placed at x = –1.60 m, and another point charge Q2 = +1.86E-6 C is placed at x = +1.80 m. What is the electric field E at the origin, x = 0 m (in N/C; use positive sign if E points in the +x direction, and negative sign if E points in the –xdirection)?

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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.