In TE₁₀ mode the largest electric field in a rectangular wave guide, occurs

A)
along the broad wall (i.e. x = 0 and x = a)
B)
along centre line of broad wall (i.e. x = a/2)
C)
Both (A) and (B)
D)
None of the above

Correct Answer : Option (B) :   along centre line of broad wall (i.e. x = a/2)