Task 00015.

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What additional resistance must be connected in series with a bulb designed for a voltage of 120 V and a power of 60 W, so that it gives a normal glow at a voltage of 220 V? How many meters of nichrome wire with a diameter of 0.5 mm will be needed to produce such a resistance?

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help. File in image format.

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