Current Electricity and Electrical InstrumentHard
Question
Three unequal resistors in parallel are equivalent to a resistant 1 ohm. If two of them are in the ratio 1 : 2 and if no resistance value is fractional, the largest of the three resistance in ohms is : -
Options
A.4
B.6
C.8
D.12
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
The balancing length is obtained at 78.4 cm length while measuring the potential difference at the ends of a resistance ...An electric bell has a resistance of 5Ω and requires a current of 0.25 A to work it. Assuming that the resistance o...In the previous question potential at point 0 is...The length of a wire of a potentiometer is 100 cm, and the e.m.f. of its stand and cell is E volt. It is employed to mea...The value of current i in the circuit as shown in figure is :...