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Subjects
Science CBSE
Class 10
Magnetic effects of electric current
Textbook based HOTS
3.
Multiple choice question III
Exercise condition:
2
m.
1
.
The most suitable material for making the core of an electromagnet is:
Steel
Air
Soft iron
Aluminium
2
.
An electric charge in uniform motion produce:
an electric field only
a magnetic field only
both electric and magnetic field
no such field at all
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