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Magnetic field due to a current carrying...

Magnetic field due to a current carrying wire loop along its axis can be calculated by

A

finding electric field of coll and then by using` E//B = C`

B

finding electric field of a small element of current carrying coll and then by using `E//B = C`

C

summing up the magnetic field of small elements IdI of the coll

D

finding magnetic field of a wire of length I and then by substituting `l=2pir`,r being radius of loop

Text Solution

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The correct Answer is:
C
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Magnetic Field Due To Current Carrying Circular Loop

The magnetic field B due to a current carrying circular loop of radius 12cm at its centre is 0.5xx10^-4T . Find the magnetic field due to this loop at a point on the axis at a distance of 5.0cm from the centre.

Knowledge Check

  • Assertion If a magnet is brought closer to a current carrying loop along its axis, then current always decreases in the loop. Reason Magnet is repelled by the loop.

    A
    If both Assertion and Reason are corrent and Reason is the corrent explanation of Assertion.
    B
    If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
    C
    If Assertion is true but Reason is false.
    D
    If Assertion is false but Reason is ture.

  • The magnetic field due to a current carrying circular loop of radius 6 cm at a point on the axis at a distance of 8 cm from the centre is 108 mu T . What will be its value at the centre of the loop?

    A
    250 `mu` T
    B
    `450 mu` T
    C
    `325 mu` T
    D
    `500 mu` T

  • The magnetic field due to a current carrying circular loop of radius 3 m at as point on the axis at a distance of 4m from the centre is 54 muT . What will be its value at the centre of the loop/

    A
    `250muT`
    B
    `150muT`
    C
    `125muT`
    D
    `75muT`

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    The magnetic field B due to a current- carrying circular loop of radius 12cm at its center is 0.50 xx (10^-4) T . Find the magnetic field due to this loop at a point on the axis at a distance of 5.0 cm from the centre.

    The magnetic field due to a current-carrying circular loop of radius 10cm at its centre is 0*60xx10^-4T . Find the magnetic field due to this loop at a point on the axis at a distance of 4cm from the centre.

    The magnetic field due to a current carrying circular loop of radius 3 cm at a point on the axis at a distance of 4cm from the centre is 54muT . What will be its vlue at the centre of loop?

    State the Biot-Savart's law for the magnetic field due to a current carrying element. Use this law to obtain a formula for magnetic field at the centre of a circular loop of radius R carrying a steady current I, sketch the magnetic field lines for a current loop clearly indicating the direction of the field.

    The magnetic field due to a current carrying loop of radius 3 cm at a point on the axis at a distance of 4 cm from the centre is 54 muT . What will be its value at the centre of loop ?

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