IOM 2017, Блиц — Задача 7

OLYMPIAD OF METROPOLISES. Moscow, September 4 · 4 септември 2017 г.

Условие

An electrical device is designed to be connected to AC network with a voltage of 127 V and to release a power of 100 W. What power will be released by the device if it is connected in series with an ideal diode to AC network with a voltage of 220 V?

The answer should be given in the SI units unless otherwise stated. If the numerical result turns out to be an integer, it should be given as the answer. Otherwise round the result to the first decimal.
$g = 10\ \mathrm{m/s^2}$.

Отговори

Решение

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Оригинал в Архива: blitz.pdf · официални решения: answers-blitz.pdf