The external magnetic field in a magnetron is such that lines are – McqOptions

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1.	The external magnetic field in a magnetron is such that lines are
A.	parallel to the axis of cathode
B.	perpendicular to the axis of cathode
C.	inclined to the axis of cathode
D.	either (b) or (c)
Answer» B. perpendicular to the axis of cathode

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