5th Edition Chapter 3 — Solution Manual Heat And Mass Transfer Cengel

$\dot{Q}=10 \times \pi \times 0.08 \times 5 \times (150-20)=3719W$

The current flowing through the wire can be calculated by: $\dot{Q}=10 \times \pi \times 0

lets first try to focus on

$\dot{Q}=h A(T_{s}-T_{\infty})$

(c) Conduction: