In which direction will the needle deflect when the key is closed?
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Answered by
1
Answer:
north direction
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Answered by
2
Answer:
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In first case when a magnetic needle is kept just below the conductor , when the key is closed the current is from B to A . So, applying Right Hand Thumb Rule just below the conductor , the direction of magnetic field is towards East . So, needle will deflect towards East .
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