The braking torque provided by a permanent magnet in a single phase en – McqOptions

MCQOPTIONS

1.	The braking torque provided by a permanent magnet in a single phase energy meter is proportional to the
A.	square of the flux of the permanent magnet
B.	speed of the meter
C.	distance of the permanent magnet from the centre of the revolving disc
D.	all of the above.
Answer» E.

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