Current Electricity and Electrical InstrumentEasy
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
A 50 Ω bulb is in series with a room heater and the combination is connected across the mains. To get max. heater o...In the network shown, points A, B and C are potentials of 70 V, zero and 10 V respectively....Two wires of resistance R1 and R2 at 0o C have temperature coefficient of resistance a1 and a2, respectively. These are ...In the following circuit, the reading of the voltmeter will be :- (in volt)...In the figure shown, the capacity of the condenser C is 2μF. The current in 2Ω resistance...