Предмет: Физика, автор: madinovazhibek

определите электрическое сопротивление резистора при силе тока 50 мкА напряжение 750 мВ, если

Ответы

Автор ответа: daynVassya
0
По закону Ома:
J = U/R.
R = U/J.
750 мВ = 0,75 В. 50 мкА = 0,00005 А.
R = 0,75/0,00005 = 15000 Ом. 
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