Current Electricity and Electrical InstrumentHard
Question
In the given black box unknown emf sources and unknown resistance are connected by an unknown method such that (i) when terminals of 10 ohm resistances are connected to box then 1 ampere correct flows and (ii) when 18 ohm resistances are connected then 0.6 A current flows then for what value of resistance does 0.1 A current flow ?
Options
A.118 Ω
B.98 Ω
C.18 Ω
D.58 Ω
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
Reading of ammeter in ampere for the following circuit is :-...The resistance of the series combination of two resistances is S. When they are joined in parallel through total resista...Two bulbs rated (25Ω - 220Ω) and (100Ω - 220Ω) are connected in series to a 440V line. Which one is ...An apparatus is connected to an ideal battery as shown in figure. For what value of current, power delivered to the appa...A common Emitter circuit is used as a amplifier. Whose current gain is 50. If input resistance is 1KΩ and input vol...