A horizontal beam of electrons enters a uniform electric field directed away from the observer (at right-angles into the plane of the paper), travelling from left to right. In which direction is this beam deflected by the field? A upwards (in the plane of the paper) B downwards (in the plane of the paper) C away from the observer D towards the observer Note that I don't just need an answer I require an explanation too.
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Answer:
Away from the observer
Explanation:
HINT:- Use the right hand thumb rule and suppose motion electron beam as current .
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