what is the exact unit of electric field intensity?
Asked by | 22nd Apr, 2009, 06:38: AM
NC-1 and Vm-1 , both are the units of electric field intensity.
When electric is measured as gradient of electric potential ( E = - dV / dR );
we write the unit as Vm-1 ; otherwise when we express electric field in terms of charge and the distance from the charge ( E = 9 x 109 q/ r) , we write the unit as NC-1 .
Answered by | 23rd Apr, 2009, 10:35: AM
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