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Consider a current carrying wire (curren...

Consider a current carrying wire (current I) in the shape of a circle. Note that as the current progresses along the wire, the direction of J (current density) changes in an exact manner, while the current I remain unaffected. The agent that is essentially responsible for is

A

0.13 A

B

0.029 A

C

0.058 A

D

0.059 A

Text Solution

Verified by Experts

The correct Answer is:
C
0.058 A
`I_(DC)=(2I_(m))/(pi)` `=0.05859~~0.058A`
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Knowledge Check

  • How is a current - carrying wire placed in a magnetic field so that a magnetic field does not act on it ?

    A
    Parallel to the magnetic field
    B
    Perpendicular to the magnetic field .
    C
    At an angle of `45^(@)` with magnetic field
    D
    At an angle of `120^(@)` with magnetic field

  • What is the direction of the magnetic force acting on a current - carrying wire placed in a magnetic field ?

    A
    Along the magnetic field
    B
    Along the electric current
    C
    Perpendicular to the magnetic field
    D
    Opposite to that of the magnetic field

  • _____ rule is used to find the direction of induced current in a conducting wire, moving in a magnetic field.

    A
    Fleming's left hand
    B
    Fleming's right hand
    C
    Ampere's
    D
    Expanded right hand

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