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प्रश्न
Name the device used to decrease the voltage at the substation for its supply.
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उत्तर
Step-down transformer.
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संबंधित 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?
At what voltage and frequency is the electric power generated at the power generating station?
At what voltage is the electric power from the generating station transmitted? Give reason to your answer.
- 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?
What is the pole fuse? Write down its current rating.
The voltage of power generated at the generating stations is first stepped up before its transmission. Give reason.
State the function of the following in a house circuiting of main fuse.
State the function of the following in a house circuiting of main switch.
State one advantage of using the main switch in house wiring.
At what frequency is the a.c. supplied to our houses?
