MCQ PracticeLargest Army that ever marched out Madina was consisted of ____________?Subject: Islamic StudiesTopic: Islamic StudiesA20000B30000C40000D50000Geographic ReferenceCorrect Answer: BPractice QuizBack to MCQsRelated MCQsSystematic errors areThe power of a n-phase circuit can be measured by using a minimum ofIn self cooled motors the cooling time constant is about ______ than the heating