51) A current of approximately 5 A and 10 A has to be measured in a circuit. Which one of the following ammeters will you use to have a more accurate reading for both the values ?

52) Ammeters used for current measurements in circuits with short overload time, differs from other application. Ammeters used in short overload time circuit have :

53) Moving coil instrument works on the effect of :

54) Which of the following electrical quantities can you measure with a moving coil instrument ?

55) Which part of the PMMC instrument produces eddy current damping ?