General
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Physics-

Two plates, each of area A, are placed parallel to each other at a distance d. One plate is connected to a battery of e.m.f. E and its negative is earthed. The other plate is also earthed.


The charge drawn by plate is

Physics-General

  1. fraction numerator 2 epsilon subscript 0 A E over denominator d end fraction
  2. fraction numerator epsilon subscript 0 A E over denominator d end fraction
  3. fraction numerator epsilon subscript 0 A E over denominator 2 d end fraction
  4. fraction numerator 3 epsilon subscript 0 A E over denominator d end fraction

    Answer:The correct answer is: fraction numerator epsilon subscript 0 A E over denominator d end fraction

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    A capacitor of capacitance C subscript 0 charged to a potential V subscript 0 and then isolated. A small capacitor C is then charged from C subscript 0 , discharged and charged again; the process being repeated n times. Due to this, potential of the larger capacitor us decreased to V . The value of C is

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    Nitric oxide is prepared by the action of  HNO subscript 3  on

    3 Cu plus 8 HNO subscript 3 not stretchy rightwards arrow 3 Cu open parentheses NO subscript 3 close parentheses subscript 2 plus 4 straight H subscript 2 straight O plus 2 NO
    Hence order of covalent character B e C l subscript 2 end subscript greater than L i C l greater than N a C l

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    3 Cu plus 8 HNO subscript 3 not stretchy rightwards arrow 3 Cu open parentheses NO subscript 3 close parentheses subscript 2 plus 4 straight H subscript 2 straight O plus 2 NO
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    It is a fact.

    For chrome plating the electrolytic bath contains:

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    It is a fact.

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    straight P subscript 4 straight O subscript 10 plus 2 straight H subscript 2 SO subscript 4 not stretchy rightwards arrow 2 SO subscript 3 plus 4 HPO subscript 3

    When conc.   times straight H subscript 2 SO subscript 4 is distilled with , times P subscript 4 O subscript 10 the product formed is:

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    straight P subscript 4 straight O subscript 10 plus 2 straight H subscript 2 SO subscript 4 not stretchy rightwards arrow 2 SO subscript 3 plus 4 HPO subscript 3
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    NH subscript 3 plus 3 Cl subscript 2 not stretchy rightwards arrow NCl subscript 3 plus 3 HCl

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    NH subscript 3 plus 3 Cl subscript 2 not stretchy rightwards arrow NCl subscript 3 plus 3 HCl
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    Ar subscript 18 not stretchy rightwards arrow 2 comma 8 comma 8
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    2 SO subscript 2 plus straight O subscript 2 not stretchy rightwards arrow with straight N on top 2 SO subscript 3

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    2 SO subscript 2 plus straight O subscript 2 not stretchy rightwards arrow with straight N on top 2 SO subscript 3
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    straight F subscript 2 plus straight H subscript 2 straight O not stretchy rightwards arrow 2 HF plus 1 half straight O subscript 2

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    straight F subscript 2 plus straight H subscript 2 straight O not stretchy rightwards arrow 2 HF plus 1 half straight O subscript 2
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