MCQ PracticeWhat is the output of this program? #!/bin/bash a=2 b=4 let c=a**b echo $c exit 0Subject: Computer Science EngineeringTopic: LinuxA8B16C32Dnone of the mentionedCorrect Answer: BPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the