Question

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Answer 1

Answer:

a current carrying wire always produces a magnetic field around it and due to this magnetic field the needle of magnetic compass deflects

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Answer 2

Answer:

When the electric current flows through the current carrying conductor, it behaves like a magnet. The magnetic needle pointing towards the north-south direction gets deflected due to the magnetism attained by the current carrying conductor. Thus, a magnetic needle gets deflected when it is brought close to a current carrying conductor due to the magnetic effect of the electric current.

Explanation:

The magnetic effect of electric current:

• When electricity is passed through a wire, it obtains magnetism. This is the magnetic effect of electric current and was discovered by Hans Christian Oersted! He noticed that the magnetic needle of the compass deflects when a current carrying wire is placed near the compass.
• This property is used in many appliances such as electric bells, loudspeakers or cranes that lift heavy load.