~ E is a vector quantity with magnitude directly proportional to force and with direction given by the direction of the force on a positive test charge.
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two important characteris tics of the electric field: (1) ~ E is a vector quantity with magnitude directly proportional to force and with direction given by the direction of the force on a positive test charge. (2) ~ E ha s units of newtons per coulomb (N/C), which are the same as volts per meter (V/m), since volts ¼ newtons · meters/coulombs

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owner: shihabdider - (no access) - A Student's Guide To Maxwell's Equations, p15