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A semi-infinite insulating rod has linea...

A semi-infinite insulating rod has linear charge density `lambda`. The electric field atthe pointPshown in figure-1.418 is:

A

`(2 lambda^(2))/((4 pi epsi_(0)r)^(2))` at `45^(@)` with AB

B

`(sqrt(2 lambda)^(2))/(4 pi epsi_(0)r^(2)` at `45^(@)` with AB

C

`(sqrt2 lambda)/(4 pi epsi_(0)r)` at `45^(@)` with AB

D

`(sqrt2 lambda)/(4 pi epsi_(0)r)` at `135^(@)` with AB

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Knowledge Check

  • The dimensional formula of linear charge density lambda is

    A
    `[M^(-1)L^(-1)T^(+1)A]`
    B
    `[M^(0)L^(-1)T^(+1)A]`
    C
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    D
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  • An insulated sphere of radius R has a uniform volume charge density lambda . The electric field at a point A , which is at distance r from its center is given by (R gt r)

    A
    Zero
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    C
    `(2 r lambda)/(3 in_(0))`
    D
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  • A charge particle q is released at a distance R_(@) from the infinite long wire of linear charge density lambda . Then velocity will be proportional to (At distance R from the wire)

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