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Let I be a line and P be a point not on ...

Let I be a line and P be a point not on I. Through P, draw a line m parallel to I. Now join P to any point Q on I. Choose any other point R on m. Through R, draw a line parllel to PQ. Let this meet I at S. What shape do the two sets of parallel lines enclose?

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Knowledge Check

  • A current I flows through a section of wire as shown in fig. the magnetic induction at the point P is :

    A
    `infty`
    B
    `(mu_(0))/(4 pi) *(I)/(D) * (L)/(sqrt(L^(2)+D^(2)))`
    C
    `(mu_(0)I)/(4 pi D)`
    D
    `(mu_(0)I)/(4 pi L)`

  • A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q so that OQ =12 cm. Length PQ is .

    A
    12 cm
    B
    13 cm
    C
    8.5 cm
    D
    `sqrt(119)cm`.

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