Calculate the value of current if the power produced in a power generating station is 11 MW.

1000 A

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100 A

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10 A

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1 A

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Solution

The correct option is A 1000 A
We know standard voltage for households in our country is 11 kV.
Also, P = VI where P is the power, V is the voltage and I is the current.
$I = \frac{P}{V}$
$I = \frac{11 \times 10^{6}}{11 \times 10^{3}}$
$I = 1000 A$

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Similar questions

Which one of the following statements about power stations is not true ?

(a) hydroelectric power stations use water to drive turbines

(b) in a power station, turbines drive generators

(d) in hydroelectric power stations and thermal power stations, alternators produce electricity

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132

(a) At what voltage is the electric power from the generating station transmitted? Give a reason for your answer.

(b) What is the nature of the current transmitted from the power station?

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

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