Q. Which of the following devices helps to maintain a potential difference across a conductor?
A) Ammeter
B) Galvanometer
C) A cell or battery
D) Voltmeter
โ Correct Answer: A cell or battery
Exam Insight
-
A) Ammeter
B) Galvanometer
C) A cell or battery
D) Voltmeter
โ Correct Answer: A cell or battery
-
Explore educational articles, current affairs, science, technology, history, politics, business and hundreds of learning resources organized into categories.
Explore the most searched educational topics.
Explore Sarkari Jobs, Admit Cards & Results easily on TutorliV
Practice topic-wise MCQs for competitive exams like SSC, UPSC, Banking & more.