In cylindrical coordinate system, the potential produced by a uniform ring charge is given by \:\phi = \:f (r,z), where f is a continuous function of r and z. Let E^{\to} be the resulting electric field. Then the magnitude of ∇ \times E^{\to}

GATE Electrical Engineering (EE) 2016 Shift 1 Solved Paper

Question : 23 of 65

Marks: +1, -0

In cylindrical coordinate system, the potential produced by a uniform ring charge is given by

\:φ = \:f (r,z)

, where

f

is a continuous function of

r

and

z

. Let

E↖{→}

be the resulting electric field. Then the magnitude of

∇ × E↖{→}

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