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Assertion: A current I flows I flows al...

Assertion: A current `I` flows I flows along the length of an infinitely long straight and thin walled pipe. Then the magnetic field at any point inside the pipe is zero.
Reason: `oint vec(B).d vec(l) =mu I`

A

If both the assertion and reason are true and reason is a true explantion of the assertion.

B

If both the assertion and reason are true but the reason is not the correct explantion of the assertion.

C

If the assertion is true but reason false

D

If both the assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Here, both asseration and reason are correct and reason is the correct explanation fo assertion.
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Knowledge Check

  • Assertion : A current I flows along the length of an infinitely long straight and thin walled pipe. Then the magnetic field at any point inside the pipe is zero. Reason : oint vecB.dvecl=mu_(0)I

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If the assertion and reason both are false.

  • A current I ampere flows along an infinitey1 along straight thin walled tube, then the magnetic induction at any point inside the tube is .

    A
    infinite
    B
    zero
    C
    `(mu_(0))/(4pi).(2i)/(r)tesla`
    D
    `(2i)/ r tesla`

  • A current of I ampere flows along an infinitely long straight thin walled hollow metallic cylinder of radius r. The magnetic field at any point inside the cylinder at a distance x from the axis of the cylinder is

    A
    `oo`
    B
    `(mu_0I)/(2pir)`
    C
    `(mu_0I)/(2pix)`
    D
    zero