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Posts: 3561
12 years ago
The primary coil of a transformer has 100 turns and its secondary coil has 400 turns.  If the ac voltage applied to the primary coil is 120 V, what voltage is present in its secondary coil?
A) 100 V
B) 30 V
C) 70 V
D) 480 V
E) 400 V
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Staff Member
12 years ago
D
- Master of Science in Biology
- Bachelor of Science
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