Question

# The SI unit of electric flux is

A
N/C
B
Nm/C
C
Nm2
D
Nm2/C

Solution

## The correct option is D $$Nm^2/C$$$$\textbf{Step 1: Units of Electric field and Area}$$ We know that, Electric field, $$E=\dfrac{F}{q}$$Therefore, Unit of electric field $$E$$ will be $$N/C$$Unit of area $$A$$ will be $$=m^2$$ $$\textbf{Step 2: Unit of Electric Flux}$$ Formula of electric flux-$$\phi=\vec{E}.\vec{A}$$Hence, unit of flux $$=\dfrac{N}{C}.m^2$$                                $$=Nm^2/C$$Option D is correctPhysics

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