Current Electricity and Electrical InstrumentHard
Question
Two heater wires of equal resistance are first connected in series and then in parallel. The ratio of heat produced in the two cases is :-
Options
A.2 : 1
B.1 : 2
C.4 : 1
D.1 : 4
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
In the shown arrangement of the experiment of the meter bridge if AC corresponding to null deflection of galvanometer is...In the given potentiometer circuit length of the wire AB is 3m and resistance is R = 5Ω. The length AC for no defle...N cells each of e.m.f. E & identical resistance r are grouped into sets of K cells connected in series. The (N/K) sets a...The resistance between points A and B is...In producing chlorine by electrolysis 100 kW power at 125 V is being consumed. How much chlorine per minute is liberated...