Question

Gấp nha mn giúp mình cảm ơn

Answer 1

a,220V-45W->cho biet hieu dien the dinh muc va cong suat dinh muc cua den khi hoat dong binh thuong

b,\(\Rightarrow\left\{{}\begin{matrix}Idm=\dfrac{Pdm}{Udm}=\dfrac{45}{220}=\dfrac{9}{44}A\\R=\dfrac{Udm^2}{Pdm}=\dfrac{220^2}{45}=\dfrac{9680}{9}\Omega\end{matrix}\right.\)

c,\(\Rightarrow Idm< Ic=0,35A\)=>co the dung loai cau chi nay