Home
Class 12
PHYSICS
The power is transmitted from a power ho...

The power is transmitted from a power house on high voltage a.c. because

A

electric current travels faster at higher volts.

B

it is more economical due to less power voltage.

C

it is difficult to generate power at low voltage.

D

chances of stealing transmission lines are minimized.

Text Solution

Verified by Experts

The correct Answer is:
B

In reality disipation of energy is less on transmission of high voltage.
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENTS

    KUMAR PRAKASHAN|Exercise SECTION-D MCQs (COMPETITIVE EXAMS)|64 Videos
  • ALTERNATING CURRENTS

    KUMAR PRAKASHAN|Exercise SECTION-C NCERT EXEMPLAR (Long Answer)|5 Videos
  • ATOMS

    KUMAR PRAKASHAN|Exercise Section-D -MCQs asked in GUJCET / Board Exam|34 Videos

Similar Questions

Explore conceptually related problems

1MW power is to be delivered from a power station to a town 10 km away. One uses a pair of Cu wires of radius 0.5 cm for this purpose. Calculate the fraction of ohmic losses to power transmitted if (a) power is transmitted at 220V. Comment on the feasibility of doing this. (b) a step-up transformer is used to boost the voltage to 11000 V, power transmitted, then a step-down transformer is used to bring voltage to 220 V. (rho_(cu)=1.7xx10^(-8) SI unit )

Electrical energy is transmitted over large distances at high alternating voltages. Which of the following statements is (are) correct ?

Assertion: The television broadcasting becomes weaker with increasing distance. Reason: The power transmitted from T.V. transmitter varies inversely as the distance of the receiver.

For reduce in Ohmic loss transmission of electric power at very far distance of electric power is done at very high voltage ?

What is released from thermal power plants and smelters?

If E_0 represents the peak value of the voltage in an a.c. circuit, the rms value of the voltage will be ......

Which device is used to increase or decrease A.C. voltage ?

An electric heater consumes 4.4 kW power when connected with a 220V line voltage. Calculate the resistance of the heater.

In the transmission of a.c. power through transmission lines, when the voltage is stepped up n times, the power loss in transmission ……….

KUMAR PRAKASHAN-ALTERNATING CURRENTS -SECTION-D MCQs (DARPAN BASED ON TEXTBOOK)
  1. The ratio of primary and secondary turns in a transformer is 3:2, if 3...

    Text Solution

    |

  2. If current is not obtained from secondary coil of an ideal transformer...

    Text Solution

    |

  3. If number of turns in primary and secondary coils is increased to two ...

    Text Solution

    |

  4. If for an ideal step-up transformer current in primary is IP and curre...

    Text Solution

    |

  5. A transformer has an efficiency of 80%. It works at 100V and 4kW. If s...

    Text Solution

    |

  6. For step-down transformer value of transformation ratio is ……….

    Text Solution

    |

  7. In a step-up transformer, use of 120 V line provides a potential diffe...

    Text Solution

    |

  8. In a noiseless transformer, an alternating current of 2A is flowing in...

    Text Solution

    |

  9. A low loss transformer has 250 V applied to primary and gives 4.6 V in...

    Text Solution

    |

  10. In an ideal transformer, the voltage is stepped down from 11 kV to 220...

    Text Solution

    |

  11. The ratio of number of turns in primary and secondary coil of a transf...

    Text Solution

    |

  12. The number of turns in primary and secondary of a transformer are 1000...

    Text Solution

    |

  13. A transformer is having 2100 turns in primary and 4200 turns in second...

    Text Solution

    |

  14. Transformer are used in ……….

    Text Solution

    |

  15. A step-up transformer is used on a 120V line to provide a potential di...

    Text Solution

    |

  16. The power is transmitted from a power house on high voltage a.c. becau...

    Text Solution

    |

  17. Number of turns in the primary coil and the secondary coil of an ideal...

    Text Solution

    |

  18. In one series A.C. circuit, maxima of current and voltage occur at the...

    Text Solution

    |

  19. When A.C. current with frequency v is passed through series connection...

    Text Solution

    |

  20. If the value of potential is an a.c, circuit is 10 V. Then what is the...

    Text Solution

    |