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Physics
If a current is passed through a spring then the spring will:
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Q. If a current is passed through a spring then the spring will:
AIEEE
AIEEE 2002
Moving Charges and Magnetism
A
expand
20%
B
compress
46%
C
remain same
29%
D
none of these
5%
Solution:
Due to flow of current in same direction in two adjacent sides, an attractive magnetic force will be produced due to which spring will get compressed.