Question

magnetic effect can be observed by using​

Answer 1

Answer:Magnetic field and Field Lines

The influence of force surrounding a magnet is called magnetic field. In the magnetic field, the force exerted by a magnet can be detected using a compass or any other magnet. The imaginary lines of magnetic field around a magnet are called field line or field line of magnet.

Explanation:

Answer 2

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The magnetic effect of electric current is known as electromagnetic effect. It is observed that when a compass is brought near a current carrying conductor the needle of compass gets deflected because of flow of electricity. This shows that electric current produces a magnetic effect.