Home
Class 12
PHYSICS
A current is passed through a spring, th...

A current is passed through a spring, then the spring will:

A

expand

B

compress

C

remain same

D

none of these

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEXTUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|507 Videos

  • STRUCTURE OF NUCLEUS

    MODERN PUBLICATION|Exercise EXERCISE|47 Videos

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos

Similar Questions

Explore conceptually related problems

An electric current is passed through a circuit containing two wires of the same material, connected in parallel. If the lengths and radii are in the ratio of 4/3 and 2/3, then the ratio of the current passing through the wires will be

When an electric current is passed through a metallic conductor, heat is produced. Why?

What happens when a strong current is passed through a semiconductor? Explain.

Whenever changing current is passed through a conductor, an e.m.f. is induced, that is.

A rubber band is covered with a conducting and current passed through it in the direction as shown in the figure. What happens, if the current is reversed in the rubber band

There are two coils A and B separated by some distance. If a current of 2A flows through A, a magnetic flux of 10^-2 Wb passes through B(no current through B). If no current passes through A and a current of 1A passes through B, what is the flux through A?

When a.c passes through a capacitor, the current.

MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
  1. The time period of a charged pawrticle undergoing a circular motion in...

    Text Solution

    |

  2. Two long conductors, separated by a distance d carry current I(1) and ...

    Text Solution

    |

  3. A current is passed through a spring, then the spring will:

    Text Solution

    |

  4. An ammeter reads upto 1 ampere. Its internal resistance is 0.81 ohm. T...

    Text Solution

    |

  5. If an ammeter is to be used in placed of a voltmeter, then we must con...

    Text Solution

    |

  6. A moving coil galvanometer has 150 equal divisions. Its current sensit...

    Text Solution

    |

  7. The magnetic lines of force inside a bar magnet

    Text Solution

    |

  8. A magnet needle is kept in a non-uniform magnetic field. It experience...

    Text Solution

    |

  9. A magnetic needle lying parallel to a magnetic field requires W units ...

    Text Solution

    |

  10. A thin rectangular magnet suspended freely has a period of oscillation...

    Text Solution

    |

  11. The length of a magnet is large compared to its width and breadth. The...

    Text Solution

    |

  12. The dimensions of magnetic field intensity in M,L,T and c(coulomb) is ...

    Text Solution

    |

  13. Needle N1 , N2 and N3 are made of ferromagnetic , a paramagnetic and a...

    Text Solution

    |

  14. Curie temperature is the temperature above which

    Text Solution

    |

  15. The materials suitable for making electromagnets should have

    Text Solution

    |

  16. In S.I. system, magnetic permeability has units

    Text Solution

    |

  17. Mangetic field intensity at the centre of a coil of 50 turns, radius 0...

    Text Solution

    |

  18. A circular coil 'A' has a radius R and the current flowing through it ...

    Text Solution

    |

  19. Two circular coils 1 and 2 are made from the same wire but the radius ...

    Text Solution

    |

  20. The magnetic field of a given length of wire carrying a current of a s...

    Text Solution

    |