1. Electric Charges and Fields
easy

એક બંધ પૃષ્ઠની અંદર અને બહાર જતું વિદ્યુત ફલ્‍કસ ${\varphi _1}$ અને ${\varphi _2}$ છે.તો પૃષ્ઠની અંદર વિદ્યુતભાર કેટલો હશે?

A

$({\varphi _1} + {\varphi _2}){\varepsilon _0}$

B

$({\varphi _2} - {\varphi _1}){\varepsilon _0}$

C

$({\varphi _1} + {\varphi _2})/{\varepsilon _0}$

D

$({\varphi _2} - {\varphi _1})/{\varepsilon _0}$

(AIEEE-2003)

Solution

(b) ${\varphi _{net}} = \frac{1}{{{\varepsilon _0}}} \times {Q_{enc}}$ $==>$ ${Q_{enc}} = ({\varphi _2} – {\varphi _1}){\varepsilon _0}$

Standard 12
Physics

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