Q: Three point charges 4q, Q and q are placed on a straight line respectively at distance 0, 1/2 and 1. If the resultant force on q is zero, the value of Q will be तीन बिन्दु आवेश 4q, Q तथा q एक सरल रेखा पर क्रमश: 0, 1/2 तथा 1 दूरी पर रखे हैं। यदि आवेश q पर परिणामी बल शून्य है तो q का मान होगा-
A.
− q
B.
− 2q
C.
q/2
D.
4q
Correct Answer:
Option A -
Explanations:
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