CBSE Class 12-science Answered
Find the force.
Asked by pradeepjsme | 27 Jun, 2018, 01:43: PM
Expert Answer
I draw the figure for this question as per my understanding. I understand, there is a cube of side a, all the corners of cube has a charge Q and the cube corner is placed at origin as shown in my figure. Also I understand that it is required to get force on a test charge q placed on x-axis and at a distance p from origin. In the given figure by the user, this test charge point x-coordinate is shown as a, this can not be, because the side of cube is already a.
Hence I assumed the x-coordinate of test charge point as p.
Force at test charge point is sum of forces due to charges of all 8 corners of cube. In order to understand the distance of each charge from test point, I have given index to all the eight charges, but as per given question all charges are having same magnitude and same sign.
The force F on test charge q is written as
Answered by Thiyagarajan K | 27 Jun, 2018, 02:45: PM
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