Home
Class 12
PHYSICS
A 1.0 cm wire carrying a current of 30 A...

A 1.0 cm wire carrying a current of 30 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 ?

Text Solution

Verified by Experts


Consider magnetic field `vecB` produced along the axis of a current carrying long solenoid. As per the statement, magnetic force exerted on length I of a wire carrying current I, placed inside the solenoid perpendicular to its axis is,
`F=IlBsintheta`
= `(10)(0.03)(0.27)sin90^(@)`
`F=8.1xx10^(-2)N`
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    KUMAR PRAKASHAN|Exercise SECTION B (NUMERICAL FROM .DARPAN. BASED ON TEXTBOOK)|13 Videos
  • MOVING CHARGES AND MAGNETISM

    KUMAR PRAKASHAN|Exercise SECTION C (MULTIPLE CHOICE QUESTIONS)|11 Videos
  • MOVING CHARGES AND MAGNETISM

    KUMAR PRAKASHAN|Exercise SECTION B (NUMERICAL FROM TEXTUAL ILLUSTRATIONS)|22 Videos
  • MAGNETISM AND MATTER

    KUMAR PRAKASHAN|Exercise SECTION D Multiple Choice Questions (MCQs) (MCQs asked in Competitive Exams) MCQs asked in Board Exam and GUJCET|7 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    KUMAR PRAKASHAN|Exercise SECTION-D (MULTIPLE CHOICE QUESTIONS (MCQs))(MCQs ASKED IN COMPETITIVE EXAMS)|142 Videos

Similar Questions

Explore conceptually related problems

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?

Derive equation of magnetic field inside a long straight solenoid.

What is a solenoid ? Discuss the magnetic field due to a current - carrying solenoid .

Consider a wire carrying a steady current, I placed in a uniform magnetic field vecB perpendicular to its length. Consider the charges inside the wire. It is known that magnetic forces do no work. This implies that,

How can the magnetic field of solenoid be increased for given current ?

When an iron placeis introuduced inside a current - carrying solenoid the mangetic field of the solenoid ……… .

A telephone cable at a place has four long straight horizontal wires carrying a current of 1.0 A in the same direction east to west. The earth's magnetic field at the place is 0.39 G, and the angle of dip is 35°. The magnetic declination is nearly zero. What are the resultant magnetic fields at points 4.0 cm below the cable ?

A long solenoid with 15 turns per cm has a small loop of area 2.0 "cm"^2 placed inside the solenoid normal to its axis. If the current carried by the solenoid changes steadily from 2.0 A to 4.0 A in 0.1 s, what is the induced emf in the loop while the current is changing ?

A closely wound solenoid of 2000 turns and area of cross-section 1.6 xx 10^(-4)m^(2)? carrying a current of 4.0 A. is suspended through its centre allowing it to turn in a horizontal plane. (a) What is the magnetic moment associated with the solenoid? (b) What is the force and torque on the solenoid if a uniform horizontal magnetic field of 7.5 xx 10^(-2)T is set up at an angle of 30^@ with the axis of the solenoid?

KUMAR PRAKASHAN-MOVING CHARGES AND MAGNETISM-SECTION B (NUMERICAL FROM TEXTUAL EXERCISE)
  1. A horizontal power line carries a current of 90A in east to west direc...

    Text Solution

    |

  2. What is the magnitude of magnetic force per unit length on a wire carr...

    Text Solution

    |

  3. A 1.0 cm wire carrying a current of 30 A is placed inside a solenoid p...

    Text Solution

    |

  4. Two long and parallel straight wires A and B carrying currents of 10.0...

    Text Solution

    |

  5. A closely wound solenoid 80 cm long has 4 layers of windings of 500 tu...

    Text Solution

    |

  6. A square coil of side 10 cm consists of 20 turns and carries a current...

    Text Solution

    |

  7. Two moving coil meters M1 and M2 have the following particulars : ...

    Text Solution

    |

  8. In a chamber, a uniform magnetic field of 6.5 G (1 G = 10^(-4) T) is m...

    Text Solution

    |

  9. Obtain the frequency of revolution of the electron in its circular orb...

    Text Solution

    |

  10. (a) A circular coil of 30 turns and radius 8.0 cm carrying a current o...

    Text Solution

    |

  11. Two concentric circular coils X and Y of radii 16 cm and 10 cm, respec...

    Text Solution

    |

  12. A magnetic field of 100 G (1 G = 10^(-4) T) is required which is unifo...

    Text Solution

    |

  13. For a circular coil of radius R and N turns carrying current. Prove th...

    Text Solution

    |

  14. A toroid has a core (non-ferromagnetic) of inner radius 25 cm and oute...

    Text Solution

    |

  15. A magnetic field that varies in magnitude from point to point but has ...

    Text Solution

    |

  16. An electron emitted by a heated cathode and accelerated through a pote...

    Text Solution

    |

  17. A magnetic field set up using Helmholtz coils (described in Exercise 4...

    Text Solution

    |

  18. A straight horizontal conducting rod of length 0.45 m and mass 60 g is...

    Text Solution

    |

  19. The wires which connect the battery of an automobile to its starting m...

    Text Solution

    |

  20. A uniform magnetic field of 1.5 T exists in a cylindrical region of ra...

    Text Solution

    |