An instrument which can measure terminal potential difference as well as electromotive force (emf) is
A. Wheatstone’s metre bridge
B. a voltmeter
C. a potentiometer
D. a galvanometer
Answer:C
An instrument which can measure terminal potential difference as well as electromotive force (emf) is
A. Wheatstone’s metre bridge B. a voltmeter C. a potentiometer D. a galvanometer