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1. Electric Charges and Fields
easy
ગોળા અંદર વિદ્યુતભાર $+ 2 × 10^{-6}\ C, -5 × 10^{-6}\ C, -3 × 10^{-6}\ C, +6 × 10^{-6}\ C$ હોય,તો ગોળામાંથી કેટલું ફલ્કસ પસાર થાય?
A
$Zero$
B
$(16 \pi) × 10^{-6}\ N-m^2/C$
C
$(8\pi) × 10^{-6}\ N-m^2/C$
D
$36\pi × 10^{-6}\ N-m^2/C$
Solution
${\varphi _{enc.}} = (2 \times {10^{ – 6}} – 5 \times {10^{ – 6}} – 3 \times {10^{ – 6}} + 6 \times {10^{ – 6}}) = 0$ $\varphi = 0$
Standard 12
Physics
