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The nature of parallel and anti-parallel...

The nature of parallel and anti-parallel currents are

A

parallel currents repel and antiparallel currents attract.

B

parallel currents attract and antiparallel currents repel.

C

both currents attract.

D

both currents repel.

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Assertion - (AxxB) .(BxxA) "is" - a^(2) B^(2) Sin^(2) theta Here there is the between A and B. Reason (AxxB) and (BxxA) are two anti - paralle3l vectors provided A and B are neither parallel nor anti - parallel .

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

  • Assertion : In uniform circular motion speed of particle must be constant. Reason : In uniform circular motion no force or acceleration is acting on particle acting parallel or in anti parallel to the direction of velocity.

    A
    Both Assertion & Reason are true & the Reason is a correct explanation of the Assertion.
    B
    Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
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  • The plates of a parallel plate capacitor are, not exactly parallel. The surface charge density therefore :

    A
    Is higher at the closer end
    B
    The surface charge densitywill not be uniform
    C
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    D
    The electric field is smallest where the plates are closest