Question

which device is used to determine the presence and direction of magnetic field ​

Answer 1

Explanation:

compass is an instrument which is used to find the direction of a magnetic field. A compass consists of a small metal needle which is magnetised itself and which is free to turn in any direction. Therefore, when in the presence of a magnetic field, the needle is able to line up in the same direction as the field.

Answer 2

Answer:

here's your answer..

Explanation:

A compass is an instrument which is used to find the direction of a magnetic field.