Home
Class 11
PHYSICS
Power generated across a uniform wire co...

Power generated across a uniform wire connected across a supply is `H`. If the wire is cut into `n` equal parts and all the parts are connected in parallel across the same supply, the total power generated in the wire is

A

`(H)/(n^(2))`

B

`n^(2)H`

C

`nh`

D

`(H)/(n)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    DC PANDEY|Exercise Only One Option is Correct|27 Videos

  • ELASTICITY

    DC PANDEY|Exercise Medical entrances s gallery|21 Videos

Similar Questions

Explore conceptually related problems

A wire of resistance r is cut into m equal parts. These parts are then connected in parallel . The equivalent resistance of the combination will be

A uniform wire of resistance (50 Omega) is cut into 5 equal parts. These parts are now connected in parallel.the Equivalent resistance of the combination is

Three equal resistors connected in series across a source emf together dissipate 4 watt.If the same resistors are connected in parallel across the same emf the power dissipate will be

Three equal resistor connected in series across a source of enf together dissipate 10 Watt . If the same resistors aer connected in parallel across the same emf, then the power dissipated will be

A wire of resistance R is cut into ‘ n ’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be

Two electric bulbs rated P_(1) watt and V volt, are connected in series, across V-volt supply. The total power consumed is

DC PANDEY-CURRENT ELECTRICITY-All Questions
  1. Which of the following wiring diagrams could be used to experimentally...

    Text Solution

    |

  2. In the given circuit current flowing through the resistance 20Omega is...

    Text Solution

    |

  3. Power generated across a uniform wire connected across a supply is H. ...

    Text Solution

    |

  4. Rate of dissipation of Joule's heat in resistance per unit volume is (...

    Text Solution

    |

  5. The variation of current (I) and voltage (V) is as shown in figure A. ...

    Text Solution

    |

  6. Six resistors each of 10 ohm are connected shown. The equivalent resis...

    Text Solution

    |

  7. Thirteen resistances each of resistance R ohm are connected in the cir...

    Text Solution

    |

  8. In the given network, the euqivalent resistance between A and B is

    Text Solution

    |

  9. The equivalent resistance between points A and B

    Text Solution

    |

  10. A conductor with rectangular cross section has dimensions (axx2axx4a) ...

    Text Solution

    |

  11. The length of a potentiometer wire is l. A cell of emf E is balanced a...

    Text Solution

    |

  12. A cell develops the same power across two resistances R(1) and R(2) se...

    Text Solution

    |

  13. Two wires of same dimension but resistivity p(1) and p(2) are connecte...

    Text Solution

    |

  14. Current passing through 3 Omega resistance is

    Text Solution

    |

  15. Current passing through 1 Omega resistance is zero. Then the emf E is

    Text Solution

    |

  16. As the switch S is closed in the circuit shown in figure, current pass...

    Text Solution

    |

  17. In the circuit shown in figure

    Text Solution

    |

  18. Find equivalent resistance between A and B

    Text Solution

    |

  19. Two identical batteries, each having emf of 1.8 V and of equal interna...

    Text Solution

    |

  20. In the two circuits shown in figure

    Text Solution

    |