Physics Which one of the following is not an electromechanical instrument ? Options:A. galvanometerB. voltmeterC. ammeterD. AC transformer and DC generatorView AnswerD. AC transformer and DC generator Continue Reading Previous: SI unit of flux density is____________________?Next: The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12?. Galvanometer resistance is_____________?