Current Electricity and Electrical InstrumentHard
Question
A galvanometer has a resistance G and current is following in it, produces full scale deflection. If S1 is the value of shunt which converts it into an ammeter of range 0 − i and S2 is the value of the shunt for the range 0 − 2i. Then the ratio 
will be :
will be :Options
A.1
B.2
C.
D.
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
A wire is in the form of a tetrahedron. The resistance of each edge is r. The equivalent resistances between corners 1&#...Three resistance of values 2Ω, 3Ω and 6Ω are to be connected to produce an effective resistance of 4Ω...Two batteries with e.m.f 12 V and 13 V are connected in parallel across a load resistor of 10Ω. The internal resistan...A set of 'n' equal resistors, of value 'R' each, are connected in series to a battery of emf 'E'...Two heater wires of equal resistance are first connected in series and then in parallel. The ratio of heat produced in t...