Question

(a) Calculate the energy density of a cell phone battery of 0.018 kg weight, 1.020 Ah rating and 3.7 V output voltage. (b) Generally, 0, is the electron sink for corrosion of iron, however, its corrosion can also occur in a deaerated acid solution. Identify the electron sink for corrosion of iron in deacrated HCl solution, write the overall reaction for this process. (c) What acts as a transducer in an optical sensor? explain its function. (4+3+3)​

Answer 1

Answer:

A is Correct

Explanation: