IOM 2021, Блиц — Задача 1

The Blitz-contest of IOM-2021

Условие

A metal ball of radius $10$ cm charged to a potential of $300$ V. Later on it is surrounded by a thin conductive shell of radius $15$ cm. What will the potential of the ball be if it is brought into contact with the inside of the shell? Give your number in Volts, rounded to integer.

Отговори

Решение

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Оригинал в Архива: iom-2021-blitz-tasks-eng.pdf · официални решения: iom-2021-blitz-answers-eng.pdf