English
Hindi
1. Electric Charges and Fields
medium

સમઘનના ખૂણા પર $Q$ વિદ્યુતભાર મૂકતાં સમઘનની એક બાજુમાંથી કેટલું ફલ્‍કસ પસાર થાય?

A

$\frac{Q}{{6{\varepsilon _0}}}$

B

$\frac{Q}{{8{\varepsilon _0}}}$

C

$\frac{{\,Q}}{{24{\varepsilon _0}}}$

D

$\frac{{\,Q}}{{2{\varepsilon _0}}}$

Solution

${\varphi _T} = \frac{Q}{{{\varepsilon _0}}}$. ${\varphi _{cube}} = \frac{Q}{{8{\varepsilon _0}}}.$ $ = \frac{1}{3} \times \left[ {\frac{1}{8}\left( {\frac{Q}{{{\varepsilon _0}}}} \right)} \right] = \frac{1}{{24}}\frac{Q}{{{\varepsilon _0}}}$.

Standard 12
Physics

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