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The magnetic field at O is...

The magnetic field at `O` is

A

zero

B

`1`

C

`2`

D

`3`

Text Solution

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The correct Answer is:
A
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CP SINGH-MAGNETIC FIELD-EXERCISE
  1. Three long wires, each carrying current i are placed parallel to each ...

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  2. Two long straight parallel wieres are 2m apart, perpendicular to the p...

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  3. The magnetic field at O is

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  4. Find the Net Magnetic field at point P due to the current I1,I2,I3.

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  5. A long wire carrying a current i is bent to form a plane angle. The ma...

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  6. Two straight long conductors AOB and COD are perpendicular to each oth...

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  7. The magnetic field at O is

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  8. The magnetic field at O is

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  9. A long straight wire along the z- axis carries a current I in the neg...

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  10. A non - popular loop of conducting wire carrying a current I is placed...

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  11. Two long parallel wires, AB and CD, carry equal currents in opposite d...

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  12. Due to currents in infinite long wire at A and B, magnetic field is ma...

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  13. The magnetic field is zero at mid point of AB and at P as shown

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  14. A long, straight wire of radius R carries a current distributed unifor...

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  15. A solid metallic cylinder carriers a direct current. The magnetic fiel...

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  16. A hollow tube is carrying an electric current along its length distrib...

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  17. Current flows through a straight cylindrical conductor of radius r. Th...

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  18. In a coaxial, straight cable, the central conductor and the outer cond...

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  19. A current I flows along the length of an infinitely long, straight , ...

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  20. A long straight wire of radius a carries a steady current i. The curre...

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