IIT JAM
Himanshu Pandey Asked a Question
June 2, 2020 3:08 pmpts 30 pts
  • IIT JAM
  • Physics (PH)

Electricity and magnetism

I read these type of statements many time But what was the reason. behind this please explain me one by one. Also from the last pic where a positive charge in the direction of electric........
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  • Abhishek singh thankyou
    Explanation of last pic(Handwritten): See your first fir, now tell me, in this case positive charge is movinge along the electric field. it means you(external agent) have to do not...
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    Abhishek singh
    Some typos in the comment, first pic**....... Now see your***.... what do you think****
  • Vaishnavi rajora thankyou
    this is from F = qE. field does positive work on +ve charge moving in the direction of field. while for negative charge it's opposite
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  • Abhishek singh
    Again read the whole solution. I have added the solution for 3rd and 4th pic as well. do think on each word.
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    Abhishek singh
    you got stuck in any concepts. do read the whole solution from scratch.
  • Abhishek singh Best Answer
    electric field is always directed from higher potential to lower potential. and work done is positive when angle between force and displacement is less then 90°, otherwise work don...
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    • cropped4212978932062947841.jpg
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    Abhishek singh
    do ask doubts.
  • Vaishnavi rajora
    it's because F = qE
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  • Vaishnavi rajora
    dear reason is that..... positive charge will accelerate in the direction of filed ao workdone is positive
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    Vaishnavi rajora
    when particle is moving in the direction of field......while it's negative when -ve charge is moving opposite to the dirn of field