In an electromagnetic wave , the electric and magnetising fields are 100 V/m and 0.265 A/m . The maximum energy flow is

Q: In an electromagnetic wave , the electric and magnetising fields are 100 V/m and 0.265 A/m . The maximum energy flow is

(a) 26.5 W/m2

(b) 36.5 W/m2

(c) 46.7 W/m2

(d) 76.5 W/m2

Sol: Here , Eo = 100 V/m and Ho = 0.265 A/m

Maximum rate of Energy Flow = Eo × Ho

= 100 × 0.265 = 26.5 W/m2