A thermodynamic engine absorbs 85.6 kJ of energy each cycle and exhausts 61.8 kJ. (a) What is the efficiency of the engine? (b) How much work does it do each cycle?
What will be an ideal response?
Question 2
A 25-W soldering iron runs on 110 V dc. What is its resistance?
A) 0.0020
B) 4.4
C) 0.48 k
D) 2.8 k