Home
Class 12
PHYSICS
A circular loop of radius R carrying a c...

A circular loop of radius R carrying a current I is placed in a uniform magnetic field B perpendicular to the loop. The force on the loop is

A

irB

B

`2pir iB`

C

Zero

D

`pir iB`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise SECTION B|17 Videos
  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise SECTION C|47 Videos
  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|30 Videos
  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - J)|2 Videos
  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE ENGLISH|Exercise Assignment Section J (Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

A circular loop of area 1cm^2 , carrying a current of 10 A , is placed in a magnetic field of 0.1 T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is

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 perpendicular to the plane of loop. What is the magnetic force acting on the loop?

A circular loop of radius a, carrying a current I, is placed in a tow dimensional magnetic field. The centre of the loop coincides with the centre of the filed The strenght of the magnetic field at the pariphery of the loop is B. find the magnetic force on the wire.

A circular flexible loop of wire of radius r carrying a current I is placed in a uniform magnetic field B . If B is doubled, then tension in the loop

A small circular flexible loop of wire of radius r carries a current I . It is placed in a uniform magnetic field B . The tension in the loop will be doubled if (Choose the incorrect option)

A non planar closed loop of arbitrary shape carryign a current I is placed in uniform magnetic field. The force acting on the loop

A current carrying loop of radius R and mass 'm' is placed inside a uniform magnetic field an shown

A current carrying loop in a uniform magnetic field will experience

A circular loop of radius R is kept in a uniform magnetic field pointing perpendicular into the plane of paper. When a current l flows in the loop, the tension produced in the loop is

A conducting loop carrying a current I is placed in a uniform magnetic field ponting into the plane of the paper as shown. The loop will have a tendency to

AAKASH INSTITUTE ENGLISH-MOVING CHARGE AND MAGNESIUM-ASSIGNMENT (SECTION A)
  1. The radius of a circular current carrying coil is R. The distance on t...

    Text Solution

    |

  2. Figure shown a current loop two circular arcs jioned by two radial lin...

    Text Solution

    |

  3. Which of the following graphs represent variation of magnetic field B ...

    Text Solution

    |

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

    Text Solution

    |

  5. The current I ampere is flowing in an equilateral triangle of side a t...

    Text Solution

    |

  6. A square frame of side l carries a current I and produces a magnetic f...

    Text Solution

    |

  7. The magnetic induction at the point O, if the wire carries a current I...

    Text Solution

    |

  8. The magnetic field intensity at the point O of a loop with current I, ...

    Text Solution

    |

  9. If an electron revolves around a nucleus in a circular orbit of radius...

    Text Solution

    |

  10. A thin disc of radius R has charge Q distributed uniformly on its surf...

    Text Solution

    |

  11. The number of turns per unit length of a solenoid is 10. If its averag...

    Text Solution

    |

  12. In a toroid the number of tuns per unit length is 1000 and current thr...

    Text Solution

    |

  13. A circular loop of radius R carrying a current I is placed in a unifor...

    Text Solution

    |

  14. A circular loop of radius R is kept in a uniform magnetic field pointi...

    Text Solution

    |

  15. Two long wires, carrying currents i1 and i2, are placed perpendicular...

    Text Solution

    |

  16. Quite often, connecting wires carrying currents in opposite directions...

    Text Solution

    |

  17. A rectanguar doop carrying a current I is situated near a long straigh...

    Text Solution

    |

  18. A square loop of side l iskept in a uniform magnetic field B such that...

    Text Solution

    |

  19. Choose the correct statement

    Text Solution

    |

  20. The current sensitivity of a moving coil galvanometer increases by 20%...

    Text Solution

    |