1. A wire loop rests on this page. An electromagnet is above the loop with the S
ID: 2121745 • Letter: 1
Question
1. A wire loop rests on this page. An electromagnet is above the loop with the S pole facing downward. As viewed from above, which of these would create clockwise current in the loop?
Turn the electromagnet off
Increase the strength of the electromagnet
Move the electromagnet closer to the loop
A or C
B or C
2. Two bar magnets are placed on a paper as below. A copper (non-magnetic) wire is placed between them.
a) With NO current flowing through the wire, sketch the magnetic field surrounding these magnets. (sketch on a paper or something, it's important!)
b) If a current is now run through the wire in the direction shown, is there a force on the wire? If so, in which direction? Explain your answer.
Explanation / Answer
1) B or C......
Increase the strength of the electromagnet
Move the electromagnet closer to the loop.......
2) surrounded by the each of theother's(neighbours magnetic field only).B due to wore is zero.
b)yes there will be a force. and acts perpendicular to the paper i.e out of the paper
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