The expression for Poynting’s vector (rate of energy flow per unit area at any point) for EM wave is:

The expression for Poynting’s vector (rate of energy flow per unit a

1.	The expression for Poynting’s vector (rate of energy flow per unit area at any point) for EM wave is:
A.	P = E × H
B.	P = E2 × H
C.	P = E/H
D.	P = E2/H
Answer» B. P = E2 × H