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What is the direction of magnetic field ...

What is the direction of magnetic field at the centre of a current- carrying circular loop?

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The direction of magnetic field at the centre of a current-carrying circular loop is perpendicular to the plane of the loop.
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State the Biot-Savart law. Use it to obtain an expression for magnetic field at the centre of a current carrying circular loop.

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Knowledge Check

  • What will be magnetic field at centre of current carrying circular loop of radius R?

    A
    `(mu_(0)I)/(4piR)`
    B
    `(mu_(0)I)/(2piR)`
    C
    `(mu_(0)I)/(2R)`
    D
    zero

  • Read the given statements and mark the correct option. Statement 1: Magnetic field inside a current carrying solenoid is greater than that of outside. Statement 2: Magnetic field at the centre of a current carrying circular loop is always zero.

    A
    Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
    B
    Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
    C
    Statement 1 is true but statement 2 is false.
    D
    Statement 1 is false but statement 2 is true.

  • The ratio of magnetic field and magnetic moment at the centre of a current carrying circular loop is x. When both the current and radius is doubled the ratio will be

    A
    `x/8`
    B
    `x/4`
    C
    `x/2`
    D
    2x

    • Similar Questions

    Explore conceptually related problems

    Explain with the help of the pattern of magnetic field lines the distribution of magnetic field due to a current carrying a circular loop

    Plot a magnetic field due to a circular coil carrying current and explain the law used to find the direction of magnetic field at the centre of circular coil carrying current.

    Use Biot-Savart law to derive the expression for the magnetic field on the axis of a current carrying circular loop of radius R . Draw the magnetic field lines due to circular wire carrying current I .

    The ratio of the magnetic field at the centre of a current carrying circular wire and the magnetic field at the centre of a semi-circular coil made from the same length of wire will be

    The ratio of the magnetic field at the centre of a current carrying circular wire and the magnetic field at the centre of a square coil made from the same length of wire will be

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