Monika kumari
Oct 3, 2016, 10:40 AM
Why potentiometer is preferred over voltmeter for measuring emf
ebaines
Oct 3, 2016, 10:59 AM
Please clarify your question - a potentiometer by itself can not measure EMF.
smoothy
Oct 3, 2016, 01:28 PM
Take the time to find out what each is and what they do, then you will have your answer.