A) \[\frac{N}{C}\]
B) \[\frac{N-m}{C}\]
C) \[\frac{V}{m}\]
D) \[\frac{J}{C\text{-}m}\]
Correct Answer: B
Solution :
The electric field \[(E)\] intensity is given by \[E=-\frac{dV}{dx}\] Its unit is\[V/m\]. Also, \[F=qE\] \[\Rightarrow \] \[E=\frac{F}{q}\] Hence, unit of \[E\] is\[\frac{N}{C}\] Also \[E=\frac{W}{qx}\] Hence unit is\[\frac{J}{C\text{-}m}\]
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