Vibhuti Asked a Question
September 13, 2020 10:48 pmpts 30 pts
a Electrical potential in an electric field is given by V = KIr (K being constant). If the position vector F 21 +3j+6k, then the clectric field will be 4. (2i+3+6k (2+3/+6k) (a) 343 243 (6i +2+6k)k (d) (3+2+6)2x (c) 343 243
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  • Ruby negi Best Answer
    option b is correct...
    • cropped-948379612.jpg
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  • Chandra dhawan thankyou
    option b is correct...
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  • Vibhuti
    can u please solve it on a paper
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    Ruby negi
    I did it, u can see it..
  • Ravi prakash yadav
    V=k/r (given) using E=-dV/dr =-(-k/r×r)r^ =(k/r×r)r^ now r=2i^+3j^+6k^ mod(r)=√(2×2+3×3+6×6) =√49 =7 ...
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