When a power supply is constructed to operate from either 240V or 120V ac lines such that it will have same secondary output, its primary when connected from 240V must be ___

Multiple Choice Questions Electrical MCQ
1

When a power supply is constructed to operate from either 240V or 120V ac lines such that it will have same secondary output, its primary when connected from 240V must be

A. split into halves and connected in parallel
B. connected in series
C. connected in parallel
D. split into halves and connected in series

Show Answer

Answer: A

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