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2. Electric Potential and Capacitance
easy
આપેલ વિધુતભાર માટે $A$ પર વોલ્ટેજ કેટલો થાય?
A
$\frac{1}{{4\pi {\varepsilon _0}}}.\frac{{2q}}{{\sqrt {{a^2} + {b^2}} }}$
B
$\frac{1}{{4\pi {\varepsilon _0}}}.\frac{q}{{\sqrt {{a^2} + {b^2}} }}$
C
$\frac{1}{{4\pi {\varepsilon _0}}}.\frac{{( - q)}}{{\sqrt {{a^2} + {b^2}} }}$
D
$Zero$
Solution
V$ = \frac{1}{{4\pi {\varepsilon _0}}}.\frac{q}{{\sqrt {{a^2} + {b^2}} }} + \frac{1}{{4\pi {\varepsilon _0}}}\frac{{( – q)}}{{\sqrt {{a^2} + {b^2}} }} = 0$
Standard 12
Physics
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