Question

the magnitudes of poynting vector and electric field vectors are respectively S and E then S is equal to..​

Answer 1

Answer:

S =1/ μ₀ E×B

The magnitude of poynting vector represents the rate at which the enrgy flows through a unit surface area perpendicular to the direction of propagation of wave.

Explanation:

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Answer 2

If the magnitudes of the Poynting vector and electric field vectors are respectively S and E then S = 1/μο (Ε X B).

• John Henry Poynting derived the formula for the Poynting vector.
• The magnitude of the Poynting vector gives the power transferred per unit area by an electromagnetic wave at a given time.

• The magnitude is time-dependent and attains its maximum value at the same time when E and B vectors attain their respective maximum values.

• The direction of the Poynting vector gives the direction of propagation of the electromagnetic wave.