11.According to Fleming's left-hand rule, when the forefinger points in the direction of the field or flux, the middle finger will point in the direction of

12.In case of D.C. shunt motors the speed is dependent on back e.m.f. only because

13.A D.C. series motor is that which

14.When two D.C. series motors are connected in parallel, the resultant speed is

15.If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ?