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Assertion Two infinitely long wires A an...

Assertion Two infinitely long wires `A` and `B` carry unequal currents both in inward direction.

Then, there is only point (excluding the ponts at infinity), where net magnetic field is zero.
Reason That point liews between points `A` abnd `B`.

A

If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are true but Reason is not correct explanation of Assertion.

C

If Assertion is true but Reason is false.

D

If Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
b
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Knowledge Check

  • Two infinitely long parallel wires carry equal currents in the same direction .The magnetic field at a mind point in between the two wires is

    A
    Square of the magnetic field produced due to each of the wires
    B
    half of the magnetic field produced due to each of the wires
    C
    twice the magnetic field produced due to each of the wires
    D
    zero

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    A
    Twice the magnetic field produced due to each of the wires
    B
    Half of the magnetic field produced due to each of the wires
    C
    Square of the magnetic field produced due to each of the wires
    D
    Zero

  • Two identical coils are placed coaxially. They carry equal currents in same direction NOTE in parts (a), (b) and (c) exclude the points at infinity.

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    on their axis there are two points where net magnetic field is zero
    B
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    C
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