A bar magnet enters a long solenoid which has an ammeter attached in series to both ends. Explain why a reading on the ammeter is briefly shown and then records zero current. A ABCD The magnetic flux linkage in the coil increases and then decreases. The magnetic flux linkage in the coil decreases and then increases. The magnetic flux linkage in the coil increases and is then constant. The magnetic flux linkage in the coil is always constant.
A bar magnet enters a long solenoid which has an ammeter attached in series to both ends. Explain why a reading on the ammeter is briefly shown and then records zero current. A ABCD The magnetic flux linkage in the coil increases and then decreases. The magnetic flux linkage in the coil decreases and then increases. The magnetic flux linkage in the coil increases and is then constant. The magnetic flux linkage in the coil is always constant.
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Transcribed Image Text:Question 8
A bar magnet enters a long solenoid which has an ammeter attached in series
to both ends. Explain why a reading on the ammeter is briefly shown and then
records zero current.
A The magnetic flux linkage in the coil increases and then decreases.
The magnetic flux linkage in the coil decreases and then increases.
The magnetic flux linkage in the coil increases and is then constant.
D The magnetic flux linkage in the coil is always constant.
B
C
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