A transformer whose primary coil has twice as many turns as its secondary coil is used to
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A transformer whose primary coil has twice as many turns as its secondary coil is used to convert 240-V ac to 120-V ac. If the current in the secondary coil is 4 A, the primary current is
a. 1 A
b. 2 A
c. 4 A
d. 8 A
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N 1 Number of primary turns N 2 Number of secon...View the full answer
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