NEET | 2018Current Electricity and Electrical InstrumentHard
Question
Current sensitivity of a moving coil galvanometer is 5 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 20 div/V. The resistance of the galvanometer is
Options
A.
40
B.
25
C.
250
D.
500
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
A wire has resistance of 24Ω is bent in the following shape. The effective resistance between A and B is -...A wire is in the form of a tetrahedron. The resistance of each edge is r. The equivalent resistances between corners 1&#...The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10 Ω is...The charge flowing through a resistance R varies with time t as Q=at - bt2 where a and b are positiveconstants. The tota...A student obtained following observations in an experiment of meter bridge to find unknown resistance of given wire :The...