GATE EC 2003 Electromagnetics Solution Q 2

GATE EC 2003 Electromagnetics Solution Q 2

The unit of \nabla\times\overrightarrow H is

a) Ampere

b) Ampere/meter

c) Ampere/meter2

d) Ampere-meter

Ans- (c)

Explanation

According to Ampere’s Law,

\nabla\times\overrightarrow H=\frac{\partial\overline D}{\partial t}+\overrightarrow J

J is conduction current density and  \frac{\partial\overline D}{\partial t} is displacement current density. The unit of current density is, A/m2

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