Предмет: Физика, автор: veronika56963

проводник разрезать на три равные части и соединить эти части параллельно, то сопротивление проводника (уменьшится в 9 раз)
Помогите пожалуйста объяснить, почему сопротивление уменьшается в 9 раз.

Ответы

Автор ответа: aliceandreeva

потому что при параллельном соединении проводников 1R=1R1+1R2+ 1R3 3+3+3=9

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