खाली दिलेल्या रचनासूत्रासाठी आय.यू. पंक नावे लिहा :\(\text{CH}_3\text{–CH}\text{(OH)}\text{–CH}_3'\)
Study the entries in the following table and rewrite them by putting the connected items in the single row: 
Draw a neat labelled diagram of electric motor and write its principle. 