Question

Calculate the amount of energy required to solder together two very long pieces of copper wire 1.5 mm in diameter with solder that melts at 190°C. The wires are positioned vertically at 20°C. Assume that the heat transfer coefficient on the wire surface is 20Wm2 conductivity of wire alloy is 330 W/m°C​

Answer 1

Answer:

50w/m° c

Explanation:

plz mark me as brainlist