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The electrostatic force between two char...

The electrostatic force between two charges `Q_(1)` and `Q_(1)` separated by a distance r is given by `F="k"(Q_(1)Q_(2))/(r^(2))`. The constant k depends on

A

depends on the system of units only

B

depends on the medium between the charges only

C

depends on both (a ) and (b)

D

None of the above

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • Force F between charges Q_(1) and Q_(2) separated by r is 25 N . It can be reduced to 5 N if the separation between them is made

    A
    `r/Sqrt 5`
    B
    `r/2`
    C
    `2r`
    D
    `Sqrt 5r`

  • Force F between charges Q_(1) and Q_(2) separated by r is 25 N. It can be reduced to 5 N, if separation between them is made of

    A
    `(r )/(sqrt(5))`
    B
    `(r )/(2)`
    C
    2r
    D
    `sqrt(5)r`

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