Calculate the electric field entry in row 3 of the following table.  (The row numbers are at the edge of the row.)  The magnitude of the electric field is |dV/dx|, approximated as a positive ΔV/Δx   Voltage Level (Volts) Position (cm) 15.7 7 12.2 5.6 9.5 4.1 6.4 2.9 3.3 1.4 0.0 0 Electric Field (V/cm) Deviation (V/cm) 1   2   3   4   5   Average    6

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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.