Home
Class 12
PHYSICS
The direction of magnetic lines of force...

The direction of magnetic lines of forces close to a straight conductor carrying current will be ______.

A

Along the length of the conductor

B

Radially outward

C

Circular in a plane perpendicular to the conductor

D

Helical

Text Solution

Verified by Experts

The correct Answer is:
C

According to right hand thumb rule.
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    KUMAR PRAKASHAN|Exercise SECTION D (MCQs ASKED IN COMPETITIVE EXAMS)|34 Videos
  • MOVING CHARGES AND MAGNETISM

    KUMAR PRAKASHAN|Exercise SECTION C (LONG ANSWER TYPE QUESTIONS)|7 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

State the rule to determine the direction of a (i) magnetic field produced around a straight cocnductor - carrying current, (ii) force experienced by a current - carrying straight conductor placed in a magnetic field which is perpendicular to it , and (iii) current induced in a coil due to its rotation in a magnetic field .

The direction of the magnetic field lines in a region outside a bar magnet is …..

Name and state the rule which determine the direction of magnetic field around a straight curent - carrrying conductor . Also draw diagram .

State the effect on the strength of the magnetic field produced at a point near a straight conductor if the electric current flowing through it increases .

The magnetic field produced by a straight conducting wire on passing the current through it is ……

On what factor does the direction of the magnetic field produced by a current - carrying straight wire depend ?

What is the direction of the magnetic force acting on a current - carrying wire placed in a magnetic field ?

State whether the following statement are true or false : The magnetic field lines at centre of a long circular coil carrying s current are parallel straight lines .

What is the direction of the magnetic field inside the current - carrying circular ring as shown in the following figure ?

The horizontal component of the earth’s magnetic field at a certain place is 3.0 x×10^(-5) T and the direction of the field is from the geographic south to the geographic north. A very long straight conductor is carrying a steady current of 1A. What is the force per unit length on it when it is placed on a horizontal table and the direction of the current is (a) east to west, (b) south to north?

KUMAR PRAKASHAN-MOVING CHARGES AND MAGNETISM-SECTION D (MULTIPLE CHOICE QUESTIONS)
  1. A magnetic field can be produced by .

    Text Solution

    |

  2. Consider two straight parallel conductors A and B separated by a dista...

    Text Solution

    |

  3. The direction of magnetic lines of forces close to a straight conducto...

    Text Solution

    |

  4. A charged particle is moving with velocity vecv in a uniform magnetic ...

    Text Solution

    |

  5. A charged particle gains energy due to .

    Text Solution

    |

  6. Maximum magnetic force on electron moving with velocity 4xx10^(4)m//s ...

    Text Solution

    |

  7. Lorentz force acting on a charged particle is zero. If electric field ...

    Text Solution

    |

  8. If proton moves with velocity 10hatims^(-1) in magnetic field having m...

    Text Solution

    |

  9. A strong magnetic field is applied on a stationary electron, then

    Text Solution

    |

  10. A proton is moving perpendicular to a uniform magnetic field of 2.5 te...

    Text Solution

    |

  11. A wire carrying a current i is placed in a uniform magnetic field in t...

    Text Solution

    |

  12. A small circular flexible loop of wire of radius r carries a current I...

    Text Solution

    |

  13. A particle having 2 C charge passes through magnetic field of 4hatkT a...

    Text Solution

    |

  14. The dimension formula of the magnetic field intensity B is .

    Text Solution

    |

  15. Two straight parallel wires, both carrying 10 Ampere in the same direc...

    Text Solution

    |

  16. Maximum kinetic energy of positive ion in cyclotron is (Where r(0) = ...

    Text Solution

    |

  17. Radius of circular path, followed by a charged particle is proportiona...

    Text Solution

    |

  18. An electron moves perpendicular to uniform magnetic field B, on a circ...

    Text Solution

    |

  19. Cyclotron frequency does not depend on

    Text Solution

    |

  20. Cyclotron frequency of electron when accelerated in 1 T magnetic field...

    Text Solution

    |