A -10 nC charge and a 6 nC charge are located on the x-axis at x=-2 cm and x=4 cm respectively. i.At what distance (in cm) directly above the 6nC charge is the electric potential equal to zero? a)14.7 b)1.76 c)4.50 d)9.50 e)3.92 f)6.75   ii.What is the electric field (in N/C) at this location (given as a magnitude and the proper polar angle)? Magnitude a)3.20e+04 b)18600 c)4.50e+04 d)21300 e)8320 f)69500 Angle a)127 b)110. c)268 d)190. e)49.5 f)414

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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.