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At what voltage and frequency is the ele...

At what voltage and frequency is the electric power generated at the power generating station ?

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Voltage - 11 kV, Frequency - 50 Hz
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ICSE-HOUSEHOLD CIRCUITS -EXERCISE -9(A)
  1. At what voltage and frequency is the electric power generated at the p...

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  2. At what voltage and frequency is the electric power generated at the p...

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  3. What is the nature of current transmitted from the power station ?

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  4. In the transmission of power the voltage of power generated at the gen...

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  5. Explain with the aid of a simple diagram, the transmission of electric...

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  6. At what voltage is the alternating current supplied to our houses ?

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  7. At what frequency is A.C. supplied to residential houses ?

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  8. Name the device used to increase the voltage at a generating station.

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  9. Name the device used to decrease the voltage at the sub station for...

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  10. Name the three connecting wires used in a household circuit.

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  11. Which of the two wires mentioned in part (a) are at the same potentia...

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  12. Name the wire in a household electrical circuit to which the switch is...

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  13. What is the pole fuse ? Write down its current rating.

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  14. State the function of each of the following in a house circuiting: ...

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  15. What is the function of a fuse?

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  16. State the function of each of the following in a house circuiting: ...

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  17. In what unit does the domestic electric meter measures the electrical ...

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  18. The main fuse is connected to the ………..

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  19. State one advantage of using the main switch in house wiring.

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  20. Draw a circuit diagram to explain the ring system of house wiring. Sta...

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