A coil of wire is connected to a very sensitive ammeter that can deflect the needle both ways, indicating the direction of the current. A north pole of a magnet is moved towards the coil before coming to rest inside it. The needle of the ammeter initially deflects to the right. What happens next? A. The needle of the ammeter remains deflected to the right B. The needle of the ammeter deflects to the left C. The needle of the ammeter returns to zero
A coil of wire is connected to a very sensitive ammeter that can deflect the needle both ways, indicating the direction of the current. A north pole of a magnet is moved towards the coil before coming to rest inside it. The needle of the ammeter initially deflects to the right. What happens next? A. The needle of the ammeter remains deflected to the right B. The needle of the ammeter deflects to the left C. The needle of the ammeter returns to zero
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter30: Sources Of The Magnetic Field
Section: Chapter Questions
Problem 30.8P: A conductor consists of a circular loop of radius K and two long, straight sections as shown in...
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A coil of wire is connected to a very sensitive ammeter that can deflect the needle both ways, indicating the direction of the current. A north pole of a magnet is moved towards the coil before coming to rest inside it. The needle of the ammeter initially deflects to the right. What happens next?
A. The needle of the ammeter remains deflected to the right
B. The needle of the ammeter deflects to the left
C. The needle of the ammeter returns to zero
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