A_SINGLE-PHASE_SINUSOIDAL_VOLTAGE_CONTROLLER_HAS?$ – McqOptions

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1.	A_SINGLE-PHASE_SINUSOIDAL_VOLTAGE_CONTROLLER_HAS?$
A.	one primary and n secondary windings
B.	one primary and (n-1) secondary windings
C.	n primary and n secondary windings
D.	(n-1) primary and n secondary windings
Answer» C. n primary and n secondary windings

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A_SINGLE-PHASE_SINUSOIDAL_VOLTAGE_CONTROLLER_HAS?$
In a N-stage sequence controller, each secondary is rated for _________?
A single-phase two stage sequence controller is designed to work on 230 V supply, and upper and lower current ratings must be 20 A and 21 A respectively. Find the transformer rating?