Home
Class 12
PHYSICS
shows a triangular loop PQR carrying a c...

shows a triangular loop PQR carrying a current i. The triangle is equilateral with edge-length i. A uniform magnetic field B exists in a direction parallel to PQ. Find the forces acting on the three wirs PQ, QR and RP separately.

A

`0, (sqrt(3))/(2)i//B,(sqrt(3))/(2)i//B`

B

`0, (1)/(2) i//B, (sqrt(3))/(2)i//B`

C

`0, (sqrt(3))/(2)i//B,(1)/(2)i//B`

D

`(sqrt(3))/(2)i//B, 0, 0`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise CRITICAL THINKING|68 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

  • MAGNETISM

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

Figure, shows an equilateral triangular loop CDE, carrying current I. Length of each side of triangle is l. If a uniform magnetic field exists parallel to side DE of loop, then find the foces acting on the three wires CD, DE and EC separately.

A loop PQR carries a current i = 2A as shown in the figure. A uniform magnetic field B = 2T exists in space parallel to the plane of the loop . The magnetic torque on the loop is

A wire PQR carrying a current l is bent as shown in the figure. It is placed in a uniform magnetic field B. What is the ratio of magnitude of the force on PQ to that on QR ?

A rectangular loop carrying a current i is placed in a uniform magnetic field B. The area enclosed by the loop is A. If there are n turns in the loop, the torque acting on the loop is given by

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B such that B is parallel to the plane of the loop. The magnetic torque acting on the loop is-

PQR is a right-angled isosceles triangular loop carrying an anticlockwise current. It is kept in a uniform magnetic field acting along QP. If the force acting on segment QR is F, the force acting on segment PR is

A rectangular loop of dimensions (axxb) carries a current i. A uniform magnetic field vec(B)=B_(0) hat(i) exists in space. Then :

A wire loop carrying current I is placed in the x-y plane as shown in the figure. If an external uniform magnetic field vec(B)=B hat(i) is switched on, then the torque acting on the loop is

A closed loop lying in the xy plane carries a current. If a uniform magnetic field B is present in the region, the force acting on the will be zero if B is in

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-COMPETITIVE THINKING
  1. A proton, a deuteron and an alpha-particle with the same KE enter a re...

    Text Solution

    |

  2. A straight wire of length 50 cm carrying a current of 2.5 A is suspend...

    Text Solution

    |

  3. shows a triangular loop PQR carrying a current i. The triangle is equi...

    Text Solution

    |

  4. An electron moving in a circular orbit of radius makes n rotations per...

    Text Solution

    |

  5. A proton, a deuteron and an alpha particle are accelerated through sam...

    Text Solution

    |

  6. A particle carrying a charge equal to 100 times the charge on an elect...

    Text Solution

    |

  7. A helium nucleus makes a full rotation in a circle of radius 0.8 metre...

    Text Solution

    |

  8. In the figure, what is the magnetic field at the point O ?

    Text Solution

    |

  9. A wire carrying current I has the shape as shown in the adjoining ...

    Text Solution

    |

  10. A staright wire of length (pi^(2)) meter is carrying a current of 2A a...

    Text Solution

    |

  11. Magnetic field at the centre of coil of n turns, bent in the form of a...

    Text Solution

    |

  12. Two identical wires A and B , each of length 'l', carry the same curre...

    Text Solution

    |

  13. A length L of wire carrying current I is to be bent into circle or a s...

    Text Solution

    |

  14. A current carrying thin uniform wire of length '4l' is bent like a squ...

    Text Solution

    |

  15. A sqaure loop ABCD, carrying a current I(2) is placed near and coplan...

    Text Solution

    |

  16. A long conducting wire carrying a current I is bent at 120^(@) ( see ...

    Text Solution

    |

  17. A current I is flowing in a conductor shaped as shown in figure. The r...

    Text Solution

    |

  18. The magnetic inductionn at the centre O in the figure shown is

    Text Solution

    |

  19. Two long parallel wires P and Q are both perpendicular to the plane of...

    Text Solution

    |

  20. A loop carrying current I lies in the x-y plane as shown in the figu...

    Text Solution

    |