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Biot-Savart law indicates that the movin...

Biot-Savart law indicates that the moving electrons (velocity `vecv`) produce a magnetic field `vecB` such that

A

`vecB` is at right angles to `vecv`

B

`vecB` is parallel to `vecv`

C

It obeys inverse cube law

D

It is along the line joining the electron and point of observation.

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The correct Answer is:
A
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Knowledge Check

  • If an electron is moving with velocity v produces a magnetic field vecB , then

    A
    the direction of field `vecB` will be same as the direction of velocity `vecv.`
    B
    the direction of field `vecB` will be opposite to the direction of velocity `vecv.`
    C
    the direction of field `vecB` will be perpendicular to the direction of velocity `vecv.`
    D
    the direction of field `vecB` does not depend upon the direction of velocity `vecv.`

  • According to Biot-Savart's law, an electron moving with velocity produces a magnetic field B such that:

    A
    B is parallel to v
    B
    B is perpendicular to v
    C
    It obeys inverse cube law
    D
    H is along the line joining the electron and point of observation

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