alleryA 3 Ω resistor is connected in series with a parallel combination of a 6 Ω and a 3 Ω resistor. The equivalent resistance of the network is:
A4 Ω
B5 Ω
C9 Ω
D12 Ω
Answer & Solution
Correct answer: B. 5 Ω
6 Ω ∥ 3 Ω = (6×3)/(6+3) = 2 Ω; this in series with 3 Ω gives 2 + 3 = 5 Ω.
Keep practising Current Electricity
Browse all Current Electricity questions for AP Intermediate 2nd Year, or explore more Physics topics.
Related questions
Current electricity numbersThe resistance inside a cell itself is called its:NEET · Physics · Kirchhoff's LawsTap what affects resistanceHalving the cross-section area of a conductor makes resistance:Resistance depends on the material and on the conductor's:The quantity denoted by sigma, the inverse of resistivity, is:Kirchhoff's junction rule for currents I1, I2 into a junction gives: