If the electric flux entering and leaving an enclosed surface respectively is ${\varphi _1}$ and ${\varphi _2}$ the electric charge inside the surface will be

  • [AIEEE 2003]
  • A

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

  • B

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

  • C

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

  • D

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

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  • [JEE MAIN 2020]

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