Which of the following can be used to measure the potential difference
?
(A) Ammeter
(B) Voltmeter
(C) Both (A) & (B)
(D) None of these
Share
Which of the following can be used to measure the potential difference
?
(A) Ammeter
(B) Voltmeter
(C) Both (A) & (B)
(D) None of these
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
There are two cases in here
Case 1 : the resistance is unknown
then we can use an voltmeter to get the pd
Case 2: the resistance is known
In this case though a volt meter is not available we can use an ammeter to get current and do ohm's law
V=IR
to get the voltage
is the answer is B as well as A