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In a certain region of space the electri...

In a certain region of space the electric potential V is known to be constant. Is the electric field in this region (a) positive (b) zero ,or (c ) negative ?

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The electric field relates the electric potential V by E = - `(dV)/(dr)` . To differentiatea constant potential gives zero electric field
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AAKASH INSTITUTE ENGLISH-ELECTROSTATIC POTENTIAL AND CAPACITANCE -EXAMPLE
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