The speed at which axial electric field due to signal advances in a TW – McqOptions

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1.	The speed at which axial electric field due to signal advances in a TWT is equal to
A.	speed of light
B.	(speed of light) (helix pitch helix circumference)
C.	(speed of light) (helix circumference helix pitch)
D.	(speed of light) (helix pitch) (helix circumference)
Answer» C. (speed of light) (helix circumference helix pitch)

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