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Science CBSE Homework Assignments
Class 10
Magnetic effects of electric current
Magnetic fields
1.
Exercise on magnetic fields
Question:
2
m.
Select the appropriate answer
:
1
.
Magnetic field lines __________.
never intersect
intersects at a point
are always open loop
none of the above
2
.
Magnetic field lines always make __________.
closed loops
open loops
none of the above
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