Home
Class 12
PHYSICS
A semicircular wire of radius 5.0 cm car...

A semicircular wire of radius 5.0 cm carries a current of 5.0 A. A magnetic field B of magnitude 0.50 T exists along the perpendicular to the plane of the wire. Find the magnitude of the magnetic force acting on the wire.

Text Solution

Verified by Experts

Force on a semicircular wire` =n 2 iRB`
` = 2 xx 0.5 xx 0.5 xx 0.5 = 0.25N` .
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD

    HC VERMA|Exercise objective2|10 Videos

  • LIGHT WAVES

    HC VERMA|Exercise Exercises|41 Videos

  • MAGNETIC FIELD DUE TO CURRENT

    HC VERMA|Exercise exercise|61 Videos

Similar Questions

Explore conceptually related problems

A wire is bent in the form of an equilateral triangle PQR of side 10 cm and carries a current of 5.0 A. It is placed in a magnetic field B of magnitude 2.0 T directed perpendicularly to the plane of the loop. Find the forces on the three sides of the triangle.

A rectangular loop of sides 20 cm and 10 cm carries a current of 5.0 A. A uniform magnetic field of magnituded 0.20 T exists parallel to the longer side of the loop (a) What is the force acting on the loop? (b) what is the torque acting on the loop?

A wire of length l carries a current I along the x-asis. A magnetic field exists which is given as vecB=B_0(veci+vecj+veck) T. find the magnitude of the magnetic force acting on the wire.

A copper wire bent in the shape of a semicircle of radius r translates in its plane with a constant velocity v. A uniform magnetic field B exists in the direction perpendicular to the plane of the wire. Find the emf induced between the ends of the wire if (a) the velocity is perpendicular ot the diameter joining free ends, (b) the velocity is parallel to this diameter.

A magnetic field of strength 1.0 T is produced by a strong electromagnet in a cylindrical region of radius 4.0 cm as shown in . A wire, carrying a current of 2.0 A, is placed perpendiuclar to and intersecting the axis of the cylindreical region. Find the magnitude of the force acting on the wire.

A current of 2 A enters at the corner d of a square frame abcd of side 20 cm and leaves at the opposite corner b. A magnetic field B= 0.1 T exists in the space in a direction perpenducular to the plane of the frame as shown in Find the magnitude and direction of the magnetic forces on the four sides of the frame.

A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27 T.What is the magnetic force on the wire ?

Shows a circular wire-loop of radius a m carrying a current I, placed in a perpendicualr matgnetic field B. (a) Consider a small part dl of the wire. Find the force on this part of the wire exerted by the magnetic field. Find the force of compression in the wire.

A 50 turn circular coil of radius 2.0 cm carrying a current of 5.0 A is rotated in a magnetic field of strength 0.20 T. (a) What is the maximum torque that acts on the coil? (b) in a particular position of the coil, the torque acting on it is half of this maximum. What is the angle between the magnetic field and the plane of the coil?

A 3.0m wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to the 0.277 . What is the magnetic force on the wire?

HC VERMA-MAGNETIC FIELD-Exercises
  1. A current loop of arbitrary shape lies in a uniform magnetic field B. ...

    Text Solution

    |

  2. Prove that the force acting on a current carrying wire, joining two f...

    Text Solution

    |

  3. A semicircular wire of radius 5.0 cm carries a current of 5.0 A. A ma...

    Text Solution

    |

  4. A wire, carrying a current i, is kept in the x-y plane along the curve...

    Text Solution

    |

  5. A rigid wire consists of a semicircular portion of radius R and two s...

    Text Solution

    |

  6. A straight horizontal wire of mass 10mg and length 1.0 m carries a cur...

    Text Solution

    |

  7. Two metal strips, each of length, each of length l, are clamped paral...

    Text Solution

    |

  8. A matel wire PQ of mass 10g lies at rest on two horizontal metal rails...

    Text Solution

    |

  9. A straight wire of length l can slide on two parallel plastic rails k...

    Text Solution

    |

  10. Shows a circular wire-loop of radius a m carrying a current I, placed ...

    Text Solution

    |

  11. A current of 10A is established in a long wire along the positive z-ax...

    Text Solution

    |

  12. The magnetic field existing in a region is given by vecB =B0(1+(x)/(l)...

    Text Solution

    |

  13. A conducting wire of length l, lying normal to a magnetic field B, mo...

    Text Solution

    |

  14. A currrent I is passed through a silver strip of width d and area of...

    Text Solution

    |

  15. A particle having a charge of 2.0X10^(-8) C and a mass of 2.0X10^(-10...

    Text Solution

    |

  16. A proton describes a circle of radius 1 cm in a magnetic field of stre...

    Text Solution

    |

  17. An electron having a kinetic energy of 100eV circulates in a path of r...

    Text Solution

    |

  18. Protons having kinetic energy K emerge from an accelerator as a narrow...

    Text Solution

    |

  19. A charged particle is accelerated thrught a potential difference of 12...

    Text Solution

    |

  20. Doubly ionized helium ions are projected with a speed of 10kms^(-1) in...

    Text Solution

    |