Home
Class 12
PHYSICS
Two long parallel wires, AB and CD, carr...

Two long parallel wires, AB and CD, carry equal currents in opposite directions. They lie in the x-y plane, parallel to the x-axis, and pass through the points (0,-a,0) and (0,a,0) respectively, Figure. The resultant magnetic field is:

A

zero on the x-axis

B

maximum on the x-axis.

C

direction along the z-axis at the origin, but not at other point on the z-axis.

D

directed along the z-axis at all points on the z-axis.

Text Solution

Verified by Experts

The correct Answer is:
B, D
From the diagram it is clear the correct choices are b and d.
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS VOLUME 5

    CENGAGE PHYSICS|Exercise Linked Comprehension|84 Videos

  • MISCELLANEOUS VOLUME 5

    CENGAGE PHYSICS|Exercise Integer|12 Videos

  • MISCELLANEOUS VOLUME 5

    CENGAGE PHYSICS|Exercise Integer|12 Videos

  • MISCELLANEOUS VOLUME 3

    CENGAGE PHYSICS|Exercise True and False|3 Videos

  • Moving charges and magnetism

    CENGAGE PHYSICS|Exercise Question Bank|20 Videos

Similar Questions

Explore conceptually related problems

Write the equation of the line that is parallel to x-axis and passing through the point (0,3) (ii) (0,-4)

Two very long straight parallel wires, parallel to y-axis, carry currents 41 and I, along+y direction and-y direaction respectively. The wires are passes through the x-axis at the points (d, 0,0) and (d, 0,0) respectively. The graph of magnetic field z-component as one moves along the x-axis from x = - d to x = +d , is best given by

Two long thin, parallel conductors carrying equal currents in the same direction are fixed parallel to the x-axis, one passing through y = a and the other through y=-a . The resultant magnetic field due to the two conductors at any point is B. Which of the following are correct?

Two infinitely long parallel wires carry equal current in same direction. The magnetic field at a mid point in between the two wires is

In fig. two long parallel wires carry equal currents in opposite directions. Point O is situated midway between the wires and X-Y plane contains the two wires and the position Z -axis comes normally out of the plane of paper. The magnetic field B at O is non-zero along

The plane through the intersection of the planes x+y+z=1 and 2x+3y-z+4=0 and parallel to Y-axis also passes through the point

Two parallel wire carrying equal currents in opposite directions are placed at x=+-a parralel to y-axis with z=0 . Magnetic field at origin O is B_1 and at P(2a,0,0) is B_2 . Then, the ratio B_1//B_2 is

Two long parallel wires carry currents in opposite direction as shown. Points A and D lie in the same plane as the wires. The magnetic field at A and D is into the plane of the paper, with intensity B_(A) and B_(D) respectively. If (B_(A))/(B_(D))=7/5 , the value of (I_(1))/(I_(2)) is ____________________.

Two long parallel copper wires carry currents of 5 A each in opposite directions. If the wires are separated by a distance of 0.5m , then the force between the two wires is

CENGAGE PHYSICS-MISCELLANEOUS VOLUME 5-Multiple Correct
  1. For the circuit shown in Fig. the emf of the generator is E. The curre...

    Text Solution

    |

  2. A semicircle conducting ring of radius R is placed in the xy plane, as...

    Text Solution

    |

  3. A bar magnet is moved along the axis of a copper ring placed far away ...

    Text Solution

    |

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

    Text Solution

    |

  5. L is a circular loop (in y-z plane) carrying an anticlockwise current....

    Text Solution

    |

  6. A straight wire carrying current is parallel to the y-axis as shown in...

    Text Solution

    |

  7. A square conducting loop is placed in the neighbourhood of a coplaner ...

    Text Solution

    |

  8. A conducting rod of length is moved at constant velocity v(0) on two p...

    Text Solution

    |

  9. A rectangular coil 20 cm xx 10 cm having 500 turns rotates in a magnet...

    Text Solution

    |

  10. Uniform magnetic field B =5 T is acting in the region of length L=5 m ...

    Text Solution

    |

  11. In the figure shown R = 100 Omega L = (2)/(pi) H and C = (8)/(pi) mu F...

    Text Solution

    |

  12. In a region there exists a magnetic field B(0) along positive x-axis. ...

    Text Solution

    |

  13. An LR circuit with a battery is connected at t=0. Which of the follow...

    Text Solution

    |

  14. The switches in figure and are closed at =0 and reopended after al ...

    Text Solution

    |

  15. L,C and R represent the physical quantities inductance, capacitance an...

    Text Solution

    |

  16. For the circuit shown in Fig. Which of the following statements are co...

    Text Solution

    |

  17. Two straight conducting rails form a right angle where their ends are ...

    Text Solution

    |

  18. The current growth in two L-R circuits (b) and (c) is as shown in Fig....

    Text Solution

    |

  19. ABC is an equilateral triangular frame of mass m and side r. It is at ...

    Text Solution

    |

  20. An external magnetic field is decreased to zero, due to which a curren...

    Text Solution

    |