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Which of the following correctly describ...

Which of the following correctly describes the magnetic field near a long straight wire ?

A

The field consists of straight lines perpendicular to the wire.

B

The field consists of straight lines parallel to the wire.

C

The field consists of radial lines originating from the wire.

D

The field consists of concentric circles centred around the wire.

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Which of the following has a magnetic field like that of a bar magnet ?

    A
    Current-carrying wire
    B
    Current-carrying ring
    C
    Current-carrying solenoid
    D
    Current-carrying rectangular loop.

  • Which of the following has a magnetic field like that of a bar magnet ?

    A
    Current-carrying wire
    B
    Current-carrying ring
    C
    Current-carrying solenoid
    D
    Current-carrying rectangular loop.

  • The strength of the magnetic field around a straight current-carrying wire

    A
    is same everywhere around the wire
    B
    is different at different points around it and farther from it
    C
    isdirectly proportional to the distance from the wire
    D
    none of the above

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