Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

A uniform electric field of 100 V/m is directed at $30^{0}$ with the +ve x - axis as shown in figure . Find the potential difference $\;V_{BA}\;$ if OA=2 m and OB= 4 m


Can you answer this question?

1 Answer

0 votes
Answer : (c) $\;100\;\sqrt{3}$
Explanation : Electric field in vector form can be written as ,
$A=(-2m , 0)$
$B=(0 , 4m)$
$=-\int_{(-2 ,0)}^{(0,4)}\;(50\;\sqrt{3}\;dx+50\;dy)$
$=-\;[50\;\sqrt{3}\;x+50\;y]_{(-2 ,0)}^{(0 , 4)}$
answered Feb 4, 2014 by yamini.v

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App