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?