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G5C05

Why is the primary winding wire of a voltage step-up transformer usually a larger size than that of the secondary winding?

Select	Answer
A	To accommodate the higher current of the primary
B	To prevent parasitic oscillations due to resistive losses in the primary
C	To ensure that the volume of the primary winding is equal to the volume of the secondary winding
D	To improve the coupling between the primary and secondary

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