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A circular coil of wire carries a curren...

A circular coil of wire carries a current . `PQ` is a part of very long wire carrying a current and passing close to the circular coil. If the direction of currents are those shown in figure, then the direction of the force acting on `PQ` is

A

parallel to PQ, towards p

B

parallel to PQ, towards Q

C

at right angles to PQ, to the right

D

at right angles to PQ, to the left

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • A part of a long wire carrying a current i is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is

    A
    `(mu_(0)i)/(4r)`
    B
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    C
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    D
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  • The front face of a circular wire carrying current behaves like a north pole. The direction of current in this face of the circular wire is :

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    B
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    C
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    D
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  • In the figure PQ is a long current carrying wire which is placed near a current carrying coil. The direction of the force acting on PQ will be

    A
    parallel to PQ towards P
    B
    parallel to PQ towards Q
    C
    perpendicualr to PQ towards right
    D
    perpendicular to PQ towards left

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