
:
:
Pmes = 10 W .
ΔP ري غ ص جدًا = 0.000158 W: .
ΔP/P = 1% .
:
:
Pmes = 10 W .
ΔP = 0.2 W: .
ΔP/P = 2%: .
:
" "
.
Pmes = 9.55 W .
ΔP = 0.1126 W: .
ΔP/P = 1.19%: .
:
.