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12th Class Physics Electrostatics & Capacitance Question Bank MCQ - Electrostatic Potential and Capacitance

  • question_answer
    When a ringing mobile is placed in a stainless steel box, it stops ringing because of:  

    A) increase in electrical capacitance inside box

    B) electrostatic potential induced by the battery of mobile

    C) electrostatic shielding provided by box                 

    D) absorption of E.M. waves by stainless steel box

    Correct Answer: C

    Solution :

    (c) electrostatic shielding provided by box


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