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Science CBSE Homework Assignments
Class 7
Electric current and its effects
Magnetic effect on current
1.
Magnetic effect and electromagnets
Task:
2
m.
Choose
the correct answer
:
1
.
The current will flow in the given circuit if
The circuit is closed
The compass is at rest
The circuit is open
2
.
The coil loses its magnetism when the current is turned off. This type of coil is known as
Electromagnets
Iron nail
Magnets
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