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Statement of a problem № 3763

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A heater is designed to operate with a power of 1000 W in a 100 V line. It is connected in combination with a resistance of 100 S and a resistance R to a 100 V mains as shown in Fig. 12.15. What should be the value of R so that the heater operates with a power of 62.5 W?

Solution:
A heater is designed to operate with a power of 1000 W in a 100 V line. It is co

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