Home
Class 12
PHYSICS
A 3^(0)C rise in temperature is observed...

A `3^(0)C` rise in temperature is observed in a conductor by passing a certain current. When the current is doubled, the rise in temp -

A

`15^(0)C`

B

`12^(0)C`

C

`9^(0)C`

D

`3^(0)C`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|13 Videos

  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 3|29 Videos

Similar Questions

Explore conceptually related problems

A 1^(@) C rise in temperature is observed in a conductor by passing a certain current . If the current is doubled , then the rise in temperature is approximately

A 5^(@)C rise in the temperature is observed in a conductor by passing some current. When the current is doubled, then rise in temperature will be equal to

A 2^(@)C rise in temperature is observed in a conductor passing a current. When the current is tripled. The rise in temperature will be

A rise of temperature of 4^(@)C is observed in a conductor by passing a current. If the current is tripled, the rise of temperature will be

1^(@) C rise in temperature is equal to a rise of

When a current is passed in a conductor, 3^(@)C rise in temperature is observed. If the strength of current is made thrice, then rise in temperature will approximately be

When no current is passed through a conductor,

When current is 4 A in a conductor the drift velocity is v_(d) When the current is 3 A the drift velocity will be

MOTION-ELECTROMAGNETISM-Exercise
  1. In the previous question which lamp will glow more brightly when they ...

    Text Solution

    |

  2. The current (I) and voltage (V) graphs for a given metallic wire at tw...

    Text Solution

    |

  3. A 3^(0)C rise in temperature is observed in a conductor by passing a c...

    Text Solution

    |

  4. A wire of resistance 0.5 omega m^(-1) is bent into a circle of radius ...

    Text Solution

    |

  5. In Wheat stone's bridge P = 9 ohm , Q = 11 ohms, R = 4 ohm and S = 6 ...

    Text Solution

    |

  6. The current -voltage - variation for a wire of copper of length (L) an...

    Text Solution

    |

  7. If fig. the difference of potential between (B) and (D) is -

    Text Solution

    |

  8. In fig the current through resistance (R) is

    Text Solution

    |

  9. In fig the steady state current in 2omega resistance is

    Text Solution

    |

  10. All bulbs in figure below are identical which, bulbs light most bright...

    Text Solution

    |

  11. A resistance coil of 60 omega is immersed in 42 kg of water. A current...

    Text Solution

    |

  12. The resistance of a galvanometer coil is 100 omega. The value of curre...

    Text Solution

    |

  13. A potentiometer experiment is setup as shown in fig. If both the galva...

    Text Solution

    |

  14. A potentiometer, wire of length 10m and resistance 21.8ohm is connect...

    Text Solution

    |

  15. The shunt required for 10% of main current to be sent through the movi...

    Text Solution

    |

  16. A cell of two volt and 1.5 ohm internal resistance is connected to two...

    Text Solution

    |

  17. A ten meter long potentiometer wire is connected to accumulator of emf...

    Text Solution

    |

  18. The resultant force due to a current carrying long wire on a current l...

    Text Solution

    |

  19. Out of two identical straight conducting wires of length 20 cm and mas...

    Text Solution

    |

  20. Current I is flowing through a circular coil of radius r. It is place...

    Text Solution

    |