Current Electricity and Electrical InstrumentMedium
Question
The resistance between points A and B is
Options
A.(√3 + 1)R
B.(√3 - 1)R
C.4R
D.(√3 + 2)R
Solution
Let resistance between A and B be r.
∴ r = 2R +
⇒ r = (√3 + 1) R
Create a free account to view solution
View Solution FreeTopic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
A car battery of e.m.f. 12V and internal resistance 5 × 10−2 Ω, receives a current of 60 A from an exter...Two resistors of $200\Omega$ and $400\Omega$ are connected in series with a battery of 100 V . A bulb rated at $200\text...A piece of copper is to be shaped so as to have a minimum resistance. Its length and cross-sectional area should be :-...At what temperature will the resistance of a copper wire become three times its value at 0o C [Temperature coefficient o...The Kirchhoff′s first law (Σ i = 0) and second law (Σ iR = ΣE), where the symbols have their usual ...