BUT THERE IS ALSO A CHANGE IN 'Y' COORDINATES SO WHY HAVE YOU CONSIDERED ONLY CHANGE IN 'X' COORDINATE?

Asked by devanshmalhotra2609 | 16th May, 2016, 03:27: PM

Expert Answer:

No work is done when the charge is moved perpendicular to the field. So only the x co-orinate is effective.
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Answered by Yashvanti Jain | 16th May, 2016, 04:46: PM

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