In a plane electromagnetic wave, which of the following has/ have zero average/value in one complete cycle?
$(a)$ Magnetic field
$(b)$ Magnetic energy
$(c)$ Electric field
$(d)$ Electric energy
In a plane electromagnetic wave, which of the following has/ have zero average/value in one complete cycle?
$(a)$ Magnetic field
$(b)$ Magnetic energy
$(c)$ Electric field
$(d)$ Electric energy
- A
$(a), (c)$
- B
$(b), (c)$
- C
$(a), (d)$
- D
All of these
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