Two separate but nearby coils are mounted along the same axis. A power supply co
ID: 2295778 • Letter: T
Question
Two separate but nearby coils are mounted along the same axis. A power supply controls the flow of current in the first coil, and thus the magnetic field it produces. The second coil is connected only to an ammeter. The ammeter will indicate that a current is flowing in the second coil
Explanation / Answer
only when the current in the first coil changes.