IOM 2017, Блиц — Задача 32

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

Условие

Some electric current is flowing in a 1 m long wire. The wire is placed perpendicular to a magnetic field of 0.2 T. If the wire experiences a force of 0.6 N, what is the magnitude of the current flowing in the wire?

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