The unit of poynting vector is

Watt

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Joule

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\frac{W a t t}{m^{2}}

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\frac{j o u l e}{m^{2}}

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Solution

The correct option is C $\frac{W a t t}{m^{2}}$
The poynting vector (S) is the rate of energy per unit area. The rate of energy is also represent the power.
Hence , $S = p o w e r / a r e a = W a t t / m^{2}$

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