1. Electric Charges and Fields
medium

एक आवेश Q को एक घन के किनारे पर रखा जाता है। इसकी प्रत्येक फलक से निकलने वाला वैधुत फ्लक्स होगा :

A$\frac{Q}{{2{\varepsilon _0}}}$
B$\frac{Q}{{6{\varepsilon _0}}}$
C$\frac{Q}{{8{\varepsilon _0}}}$
D$\frac{Q}{{{\varepsilon _0}}}$
(AIPMT-2000)

Solution

The charge is kept at a corner of a cube so it can be visualised as being at the centre of a cube of double its side i.e.,comprising of 8 such cubes kept besides and top of each other.
Thus contribution to each smaller cube will be $\frac{ Q }{8 \epsilon_{0}}$.
Standard 12
Physics

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