What is a magnetic compass? State its use.
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A magnetic compass is a small magnetic needle pivoted at the centre of a small brass box which has a glass top. It is used to locate directions at a place.
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You are given a magnet. How will you use it to find north-south direction at a place?
"Poles exist in pairs". Comment on this statement.
What is an electromagnet?
Name the material of an electromagnet.