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Is attraction a true test of electrifica...

Is attraction a true test of electrification?

Text Solution

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The correct Answer is:
A, B, C, D
Due to induction effect a charged body can attract a neutral body as shown below.

Body 1 is positively charged and body -2 is neutral. But we can see the due to distance factor attraction is more than the repulsion.
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Is repulsion a true test of electrification?

(a) How many electorns are in 1C of negative charge? (b) Which is the true test of electrification: attraction or repulsion? (c ) Can a body have a charge of 0.8xx10^(-19)C ?

Knowledge Check

  • A sure test of electrification is

    A
    Attraction
    B
    Repulsion
    C
    Friction
    D
    Induction

  • Which of the following set a target of 100% village electrification by 1 May, 2018?

    A
    Govt. of India
    B
    Uttar Pradesh Govt
    C
    Bihar Govt
    D
    Punjab Govt

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    A body 'P' contains 50 electrons and 45 protons and a body 'Q' contains 72 electrons and 77 protons after electrification by friction between the bodies. Find the number of electrons and protons in 'P' and 'Q' before electrification. Also find the number of electrons transferred between them.

    A body 'P' contains 50 electrons and 45 protons and a body 'Q' contains 72 electrons and 77 protons after electrification by friction between the bodies. Find the number of electrons and protons in 'P' and 'Q' before electrification. Also find the number of electrons transferred between them.

    Attraction is the surest test of a magnetism.

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