Home
Class 12
PHYSICS
A heater coil is cut into two equal part...

A heater coil is cut into two equal parts and only one part is now used in the heater. The heat generated will now be

A

One fourth

B

Halved

C

Doubled

D

Four times

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 87

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 89

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

If a heater coil is cut into two equal parts and only one part is used in the heater, the heat generated will be

The coil of a heater is cut into two cqual halves and only one of them is used in the heater. The ratio of the heat produced by this half of the coil to that produced by the original coil is

A heater coil working on mains produces 100 cal of heat in a certain time. Now, the heater coil is cut into three equal parts and one part is only used for heating. The quantity of heat produced (in calories) in the same time is

A heater coil is cut into two parts of equal length and one of them is used in the leader. The ratio of the heat procued by this half coil to that by the original coil is

If a Hydra is cut into two parts

The coil of a 1 000W electric heater is cut into two equal parts. If the two parts are used separately as heaters, their combined wattage will

A heating coil is labelled 100 W, 220 V . The coil is cut in two equal halves and the two pieces are joined in parallel to the same source. The energy now liberated per second is

A mass suspended from a spring of spring constant k is made to oscillate with a time period T. Now, the spring is cut into three equal parts and the mass is suspended from one of the parts. What will be the new time period of oscillations?

NTA MOCK TESTS-NTA NEET SET 88-PHYSICS
  1. Two tangent galvanometers having coils of the same radius are connecte...

    Text Solution

    |

  2. Four resistence of 10 Omega, 60Omega,100Omegaand 200Omega, respectivel...

    Text Solution

    |

  3. A heater coil is cut into two equal parts and only one part is now use...

    Text Solution

    |

  4. Coulomb's law is valid for

    Text Solution

    |

  5. Two isolated metallic solid spheres of radii R and 2R are charged suc...

    Text Solution

    |

  6. In a potentiometer experiment the balancing length with a cell is 560 ...

    Text Solution

    |

  7. In a series LCR circuit, an alternating emf (V) and current (I) are g...

    Text Solution

    |

  8. The Value of g on the surface of earth is smallest at the equator beca...

    Text Solution

    |

  9. The distance of geostationary satellite from the centre of the earth (...

    Text Solution

    |

  10. One end of a copper rod of length 1.0 m and area of cross-section 10^...

    Text Solution

    |

  11. The pressure exerted by the gas on the walls of a container is measure...

    Text Solution

    |

  12. If the ratio of specific heat of a gas of constant pressure to that at...

    Text Solution

    |

  13. A jet plane having a wing-span of 25 m is travelling horizontally towa...

    Text Solution

    |

  14. A uniform current carrying ring of mass m and radius R is connected by...

    Text Solution

    |

  15. For a particle moving in a straight line, the displacement of the part...

    Text Solution

    |

  16. A train of 150 m length is going toward north direction at a speed of ...

    Text Solution

    |

  17. At time t second, a particle of mass 3 kg has position vector r metre,...

    Text Solution

    |

  18. The acceleration of the 500 g block in figure is

    Text Solution

    |

  19. The mean lives of a radioactive substance are 1620 years and 405 years...

    Text Solution

    |

  20. The energy released during the fission of 1kg of U^(235) is a E1 and ...

    Text Solution

    |