Current Electricity and Electrical InstrumentHard
Question
In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit between points ′P′ and ′Q′ is also equal to R : -
Options
A.3 Ω
B.
Ω
ΩC.
Ω
ΩD.10 Ω
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
In the circuit shown below, the cell has an e.m.f. of 10 V and internal resistance of 1 WΩ. The other resistances a...A current of 2 A flows through 2Ω resistor when connected across a batery. The same battery supplies current of 0.5...In a network as shown in the figure the potential difference across the resistance 2R is (the cell has an emf of E and h...A storage battery of emf 8.0 V and internal resistance 0.5Ω is being charged by a 120 V dc supply using a series re...The graph shows current v/s voltage in a series RLC A.C. circuit. The arrow indicates the direction that this curve is d...