The primary coil of a transformer has 400 turns; the secondary coil has 1000 turns. An alternating current is sent through the primary coil. The emf in the primary has an amplitude of 17 V. What is the emf amplitude in the secondary?
A. 6.8 V.
B. 10 V.
C. 26 V.
D. 43 V.
Answer:D
The primary coil of a transformer has 400 turns; the secondary coil has 1000 turns. An alternating current is sent through the primary coil. The emf in the primary has an amplitude of 17 V. What is the emf amplitude in the secondary?
A. 6.8 V. B. 10 V. C. 26 V. D. 43 V.