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A charge of 15 nC (nanocoulomb) raises t...

A charge of 15 nC (nanocoulomb) raises the potential of a spherical from 500 V to 1500 V Find the radius of the conductor.

Text Solution

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The correct Answer is:
`13.5 cm`
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Knowledge Check

  • A hollow sphere of radius 50 cm is charged, such that the potential on its surface is 500 V. What is the potential at the centre of sphere ?

    A
    Zero
    B
    10 V
    C
    200 V
    D
    500 V

  • A conductor, when given a charge of 5xx10^(-3) C, acquires a potential of 500 V. the capacity of the conductor is

    A
    `5muF`
    B
    `10muF`
    C
    `15muF`
    D
    `20muF`

  • A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now placed inside another hollow spherical conductor of radius 6 m. calculate the potential of bigger sphere, if the smaller sphere is made to touch the bigger sphere

    A
    120 V
    B
    60 V
    C
    80 V
    D
    40 V

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    There are 27 drops of a conducting fluid. Each drop has radius r , and each of them is charged to the same potential V_1 . They are then combined to from a bigger drop. The potential of the bigger drop is V_2 . Find the ratio V_2//V_1 . Ignore the change in density of the fluid on combining the drops.

    If 100 J of work must be done to move electric charge equal tp 4C from a place where potential is -10V to another place where potential si V volt, find the value of V.

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