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Physics
Physics
Problem
A solenoid of length
0.50
m
0.50\,\text{m}
0.50
m
has
600
600
600
turns and carries a current of
2
A
2\,\text{A}
2
A
. Keeping the current unchanged, how many turns should it have so that the magnetic field inside it becomes
1.5
1.5
1.5
times the original value? a)
400
400
400
b)
900
900
900
c)
1200
1200
1200
d)
735
735
735
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