Home
Class 12
PHYSICS
A magnetic field of strength 1.0 T is pr...

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.

Text Solution

Verified by Experts

The correct Answer is:
A, B
`F=BiL L=2r`
`=Bi(2r)`
`=1xx2xx4xx10^(-2)`
`=8xx10^(-2) N`
Promotional Banner

Topper's Solved these Questions

  • ELECTRODYNAMICS

    RESONANCE|Exercise Exercise-1 PART-2|54 Videos

  • ELECTRODYNAMICS

    RESONANCE|Exercise Exercise-2 PART-1|15 Videos

  • ELECTRODYNAMICS

    RESONANCE|Exercise PROBLEM|12 Videos

  • ELECTRO MAGNETIC WAVES

    RESONANCE|Exercise Exercise 3|27 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE|Exercise A.l.P|19 Videos

Similar Questions

Explore conceptually related problems

An 8 cm long wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. If the magnetic field inside the solenoid is 0.3 T, then magnetic force on the wire is

A cylindrical region of magnetic field is produced by an electromagnet as shown in the figure. A wint carrying a current of 0.5 A is placed perpendicularly to the axis of the cylindrical region. If the magnetic field produced by the electromagnets is 2.0 T in strength and the radius of cylindrical region is 5 cm, find the magnetic force acting on the wire due to the magnetic field in the region.

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.

A 3*0cm wire carrying a current of 10A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0*27T . What is the magnetic force on the wire?

A wire of iength I carries a current along the x-axis. A magnetic field B=B_0(hatj+hatk) exists in the space. Find the magnitude of the magnetic force acting on the wire.

A uniform magnetic field of 1*5T is in cylindrical region of radius 10*0cm with its direction parallel to the axis along east to west. A wire carrying current of 7*0A in the north to south direction passes through this region. What is the magnitude and direction of the force on the wire if (a) the wire intersects the axes, (b) the wire is turned from N-S to north east-south west direction, (c) the wire in the N-S direction is lowered from the axis by a distance 6*0cm ?

A unifrom magnetic field B exists in a cylindrical region of radius 1 cm as shown in figure. A uniform wire of length 16 cm and resistance 4.0 Omega is bent into a square frame and is placed with one side along a diameters of the cylindrical region. If the magnetic field increaes at a constant rate of 1 T/s find the current induced in the frame.

1.2 amp current is flowing in a wire of 0.3 m length, It is placed perpendicular to the magnetic field (identical to 2T). The force acting on the wire will be:

RESONANCE-ELECTRODYNAMICS-Exercise-1 PART-1
  1. Consider a 10 cm long portion of a straight wire carrying a current of...

    Text Solution

    |

  2. A current of 2A enters at the corner d of a square frame abcd of side ...

    Text Solution

    |

  3. A magnetic field of strength 1.0 T is produced by a strong electromagn...

    Text Solution

    |

  4. A wire of length l metre carries a current I ampere along the Y-axis. ...

    Text Solution

    |

  5. A current of 10 A exists in the circuit figure.The wire PQ has a lengt...

    Text Solution

    |

  6. A thin straight horizontal wire of length 0.2 m whose mass is 10^(-4) ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. A metal wire PQ of mass 10 gm lies on two horizontal metal rails separ...

    Text Solution

    |

  10. The magnetic field existing in a region is given by B=B(0)(1-x/y)hatk,...

    Text Solution

    |

  11. Two parallel wires separated by a distance of 10cm carry currents of 1...

    Text Solution

    |

  12. Figure shows a part of an electric circuit. The wires AB, CD, and EF a...

    Text Solution

    |

  13. A straight , long wire carries a current a current of 20A. Another wir...

    Text Solution

    |

  14. Two long straight parallel conductors are separated by a distance of 5...

    Text Solution

    |

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

    Text Solution

    |

  16. Consider a nonconducting plate of radius r and mass m which has a ch...

    Text Solution

    |

  17. An electron in the ground state of hydrogen atom is revolving in antic...

    Text Solution

    |

  18. A circular coil of 100 turns has an effective radius of 0.05 m and car...

    Text Solution

    |

  19. A circular loop of radius a, carrying a current I, is placed in a tow ...

    Text Solution

    |

  20. A rectangular coil of 100 turns has length 5 cm and width 4 cm. it is ...

    Text Solution

    |