Home
Class 12
PHYSICS
Appliances based on heating effect of cu...

Appliances based on heating effect of current work on 

A

Only a.c

B

Only d.c

C

Both ac and d. c

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise EXERCISE - IB|44 Videos

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise EXERCISE - II|84 Videos

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PROBLEMS|94 Videos

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|44 Videos
AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
  1. According to Joule's law, if the potential difference across a conduct...

    Text Solution

    |

  2. A resistor R(1) dissipates the power P when connected to a certain gen...

    Text Solution

    |

  3. Appliances based on heating effect of current work on

    Text Solution

    |

  4. The electric power transferred by a cell to an external resistance is ...

    Text Solution

    |

  5. When electric bulbs of same power, but different marked voltage are co...

    Text Solution

    |

  6. Choose the correct statement

    Text Solution

    |

  7. For a cell which charging in a circuit

    Text Solution

    |

  8. The dimensional formula of the emf of a source of current are same as ...

    Text Solution

    |

  9. Internal resistance of a cell depends on

    Text Solution

    |

  10. When cells are arranged in series

    Text Solution

    |

  11. To supply maximum current, cells should be arrange in

    Text Solution

    |

  12. The terminal Pd of a cell is equal to its emf if

    Text Solution

    |

  13. Back emf of a cell is due to

    Text Solution

    |

  14. When an electric cell drives current through load resistance, its Back...

    Text Solution

    |

  15. Which depolarizers are used to neutralizes hydrogen layer in cells

    Text Solution

    |

  16. Two batteries of emfs epsilon(1) and epsilon(2) (epsilon(2) gt epsilon...

    Text Solution

    |

  17. A battery consists of a variable number n of identical cells having in...

    Text Solution

    |

  18. A cell of emf E has an internal resistance r & is connected to rheosta...

    Text Solution

    |

  19. n identical cells, each of emf epsilon and iternal resistance r, are j...

    Text Solution

    |

  20. n identical cells, cach of emf epsilon and internal resistance r, are ...

    Text Solution

    |