what happens when the needle of a compass kept nearby when electric current is switched on in a while? why does this happen?

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Solution

1. When the current is passed through the circuit, the needle of the magnet deflects.

2. This because, a current carrying wire also generated a magnetic field around it.

2. Due to this, the magnet in the needle shows a deflection.

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What happens to the needle of a compass kept nearby when electric current is switched on in a wire? Why does this happen?

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When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.

Q. When an electric current is passed through any wire, a magnetic field is produced around it. Then why an electric iron connecting cable does not deflect a magnetic compass or attract iron objects nearby when an electric current is switched on through it

(a) Name and explain any two effects of electric current.

(b) When current flows through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.
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Q. When the current us swtiched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.

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what happens when the needle of a compass kept nearby when electric current is switched on in a while? why does this happen?

1. When the current is passed through the circuit, the needle of the magnet deflects. 2. This because, a current carrying wire also generated a magnetic field around it. 2. Due to this, the magnet in the needle shows a deflection.

1. When the current is passed through the circuit, the needle of the magnet deflects.

2. This because, a current carrying wire also generated a magnetic field around it.

2. Due to this, the magnet in the needle shows a deflection.