Предмет: Физика, автор: кристина25

Решите задачи по чертежам.

1. Найти напряжение между точками а и б.

2.Найти спротивление участка цепи между точками а и б, если R1=4Ом, R2=R3=R4=6Ом

Приложения:

Ответы

Автор ответа: helpme58
0

 №1  ответ А

№2

1 /r= 1/ R2 + 1/ R3 + 1/ R4= 1/6+1/6+ 1/6= 1/2

r= 2 Ом

R= r + R1= 2+4= 6 Ом

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