Question

name the following
A device having magnetic needle which is free to rotate on a pivot at the centre​

Answer 1

Answer:

Compass

Explanation:

The compass is an instrument to find the directions at a place. the compass is based on the property of a freely pivoted magnet to align itself along the north-south directions.

Answer 2

Answer:

${ \huge{ \purple{{\boxed{compass}}}}}$