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V = 5+4x^2.force experienced by a negative charge of 1.5micro coloumb located at x=0.5m on solving we get E=-4 f=qe so while solving do we want to consider q=-1.5 or 1.5a and why

V = 5+4x^2.force experienced by a negative charge of 1.5micro coloumb located at x=0.5m
 
on solving we get E=-4
f=qe
so while solving do we want to consider q=-1.5 or 1.5a and why

Grade:12th pass

1 Answers

mahima pareek
20 Points
3 years ago
Consider it +1.5 and not -1.5. Charge is taken with sign in Voltage calculations.
And in the Calculation of force, whatever direction the force is, you can always visualize it without doing mathematics of sign. 

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