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प्रश्न
In the transmission of power the voltage of power generated at the generating stations is stepped up from 11kV to 132 kV before it is transmitted. Why?
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उत्तर
For electric power, the current becomes low at a high voltage. So, according to the relation I2RT, the loss of energy due to heating in the line wire becomes less. Thus, the alternating voltage generated is first stepped up from 11 kV to 132 kV at the generation station.
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संबंधित प्रश्न
Name the device used to increase the voltage at a generating station.
Explain with the aid of a simple diagram, the transmission of electric power from the generating station to your house.
At what voltage is the electric power from the generating station transmitted? Give reason to your answer.
At what voltage is the a.c. supplied to our houses?
- Name the three connecting wires used in a household circuit.
- Which of the two wires mentioned in part (a) are at the same potential?
- In which of the wire stated in part (a) the switch is connected?
The electrical appliances in a house are connected in ______.
What is the nature of current transmitted from the power station?
The voltage of power generated at the generating stations is first stepped up before its transmission. Give reason.
State one advantage of using the main switch in house wiring.
At what frequency is the a.c. supplied to our houses?
