Home
Class 12
PHYSICS
Assertion : Current versus potential dif...

Assertion : Current versus potential difference (i-V) graph for a conductor at two different temperatures `T_(1)` and `T_(2)` is shown in figure. Hence `T_(1)gt T_(2)`.

Reason : Resistance of a conductor increases with rise in temperature.

A

`cos 2 theta`

B

`sin 2theta`

C

`cot 2 theta`

D

`tan 2 theta`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PRACTICE PAPPER

    NCERT FINGERTIPS ENGLISH|Exercise Practice Papper 2|50 Videos
  • PRACTICE PAPPER

    NCERT FINGERTIPS ENGLISH|Exercise Practice Papper 3|50 Videos
  • NUCLEI

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NCERT FINGERTIPS ENGLISH|Exercise NCERT Exemplar|11 Videos

Similar Questions

Explore conceptually related problems

The voltage V and current I v graphs for a conductor at two different temperatures T_(1) and T_(2) are shown in the figure. The relation between T_(1) and T_(2) is

I-V graph for a metallie wire at two different tempearture, T_(1)and T_(2) is as shown in the figure. Which of the two temperatures is lower and why ?

The current (I) and voltage (V) graphs for a given metallic wire at two different temperature (T_(1)) and (T_(2)) are shown in fig. It is concluded that

The isothermal diagram of a gas at three different temperatures T_(1),T_(2) and T_(3) , is show in the given figure .Then

The stress-strain graph for a metallic wire is shown at two different temperature, T_(1) and T_(2) which temperature is high T_(1) or T_(2) ?

The current - voltage graphs for a given metallic wire at two different temperatures T_1 and T_2 are shown in the figure. The temperature T_2 is greater than T_1 .

The current - voltage graphs for a given metallic wire at two different temperatures T_1 and T_2 are shown in the figure. The temperature T_2 is greater than T_1 .

Draw a V-I graph for a conductor at two different temperatures. What conclusion do you draw from your graph for the variation of resistance of the conductor with temperature ?

The p-V diagrams of same mass of a gas are drawn at two different temperatues T_(1) and T_(2) Explain whether T_(1)gtT_(2) or T_(2)gtT_(1).

The current in a metallic conductor is plotted against voltage at two different temperatures T_1 and T_2 . Which is correct

NCERT FINGERTIPS ENGLISH-PRACTICE PAPPER-Practice Paper 3
  1. Assertion : Current versus potential difference (i-V) graph for a cond...

    Text Solution

    |

  2. When a pentavalent imputrity is added in Ge crystal then, what type of...

    Text Solution

    |

  3. A thin metal plate P is inserted between the plates of a parallel-plat...

    Text Solution

    |

  4. A positively charged thin metal ring of radius R is fixed in the xy pl...

    Text Solution

    |

  5. A voltmeter having a resistance of 1800 Omega employed to measure the ...

    Text Solution

    |

  6. A microammeter has as resistance of 100 Omega and full scale range of ...

    Text Solution

    |

  7. A 100 W bulb B(1) and two 60 W bulbs B(2) and B(3), are connected to a...

    Text Solution

    |

  8. A short conducting rod P of length 3.0 cm is placed parallel to an nea...

    Text Solution

    |

  9. A rectangular loop carrying a current i is situated near a long strai...

    Text Solution

    |

  10. An electron and a proton enter a magnetic field at right angles to the...

    Text Solution

    |

  11. A gang capacitor is formed by interlocking a number of plates as shown...

    Text Solution

    |

  12. A galvanometer of resistance 25Omega is connected to a battery of 2 vo...

    Text Solution

    |

  13. A rectangular coil of 20 turns and area of cross-section 25 cm^(2) has...

    Text Solution

    |

  14. For perfectly coupled coils, the coupling coefficient should be equal ...

    Text Solution

    |

  15. A 200 muF capacitor in series with a 100 Omega resistance is connected...

    Text Solution

    |

  16. The overall efficiency of a transformer is 90%.The transformer is rate...

    Text Solution

    |

  17. In an experiment to find focal length of a concave mirror, a graph is ...

    Text Solution

    |

  18. In a reflecting astronomical telescope, if the objetcive (a spherical ...

    Text Solution

    |

  19. Which one of the following is a possible nuclear reaction ?

    Text Solution

    |

  20. A 5 W source emits monochromatic light of wavelength 5000 Å. When plac...

    Text Solution

    |

  21. Calculate in how many months , (3/4)^(th) of the substance will dacay,...

    Text Solution

    |