a campass needle is placed near a current carrying wire. state your observation for the following cases,and give reason for the same in each case.
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the compass needle will deflect becoz compass needle is also made up of magnet ..so when a compass needle is placed near the current carrying wire it get deflected ...hope It will help you in study
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By increasing the magnitude of current we are increasing the magnetic field intensity so the deflection of the needle will be greater in this case.
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