Explain how AC current is measured using hall effect transducer.

Explain how AC current is measured using hall effect transducer. 
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Answer :

This type of sensor works on a simple electromagnetic principle. 

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In above diagram of the Hall effect. A current is conducted through a thin piece of foil from terminal I and ground. When a magnetic field is brought perpendicular to the foil, a small voltage called the Hall-effect voltage is produced at the terminals attached to the opposite sides of the foil.

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