Physics galvanometer Viva questions

Physics galvanometer Viva questions

01. What is meant by figure of merit of galvanometer?

02. State Ohm’s law.

03. What are Ohmic and non-Ohmic conductors? What is the shape of graph drawn between V and I in those cases?

04. What happens if P and Q are interchanged?

05. What is the use of Galvanometer?

06. What is the use of Commutator?

07. What is the difference between a galvanometer and an ammeter?

08. Why ammeter is always connected in series in a circuit?

09. What are units of e.m.f?

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