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A spiral loop has inner radius 10 cm and...

A spiral loop has inner radius 10 cm and outer radius 20 cm and carries current 1A in each turn. The total no. of turn in loop is 100. A small rectangular loop of area `2 cm^(2)` carries current 0.05 A is placed at the centre of loop. If magnitude of potential energy of rectangular loop is `(x mu_(0)Ln2)/(400)J`. then find out the value of x

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Knowledge Check

  • A circular loop of radius 0.0157 m carriesa current of 2.0 A. The magnetic field at the centre of the loop is

    A
    `1.57xx10^(-5)Wb//m^(2)`
    B
    `8.0xx10^(-6)Wb//m^(2)`
    C
    `2.5xx10^(-5)Wb//m^(2)`
    D
    `3.14xx10^(-5)Wb//m^(2)`

  • A circular loop of radius 0.05 m carries a current of 1.0 A. The magnetic moment of the loop is .

    A
    `1.32xx10^(-4)A-m^(2)`
    B
    `7.85xx10^(-4)A-m^(2)`
    C
    `2.62xx10^(-4)A-m^(2)`
    D
    `5.25xx10^(-4)A-m^(2)`

  • A circular loop has a radius of 5 cm and it is carrying a current of 0.1 amp . It magneitc moment is

    A
    `1.32xx10^(-4) amp m^(2)`
    B
    `2.62xx10^(-4) amp m^(2)`
    C
    `5.25xx10^(-4) amp m^(2)`
    D
    `7.85xx10^(-4) amp m^(2)`

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    A circular loop of radius 9.7 cm carries a current 2.3 A. Obtain the magnitude of the magnetic field at the centre of the loop .

    A circular loop of one turn carries a current of 5.00 A. If the magnetic field B at the centre is 0.200 mT, find the radius of the loop.

    A circular loop of area 1cm^2 , carrying a current of 10 A , is placed in a magnetic field of 0.1 T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is

    A single circular loop of wire with radius 0.02 cm carries a current of 8.0A .It is placed at the centre of a solenoid that has length 0.65 m ,radius 0.080 m and 1300 turns.

    A rectangular loop of sides 20 cm and 10 cm carries a current of 5.0 A . A uniform magnetic field of magnitude 2 T exists parallel to the longer side of the loop. The torque acting on the loop is

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