In a TWT the axial component of electric field advances along the tube – McqOptions

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1.	In a TWT the axial component of electric field advances along the tube
A.	at a velocity that is almost equal to speed of light
B.	at a velocity that is a small fraction of speed of light
C.	at a velocity that is about 50% of speed of light
D.	at a velocity that may be even more than speed of light
Answer» C. at a velocity that is about 50% of speed of light

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