Series and Parallel Combination of Resistors
Trending Questions
Q. What will be the most suitable combination of three resistors A=2 Ω, B=4 Ω , C=6 Ω so that (223)Ω is equivalent resistance of combination?
- Series combination of A and C connected in parallel with B.
- Parallel combination of A and B connected in series with C.
- Parallel combination of A and C connected in series with B.
- Series combination of B and C connected in parallel with A.
Q. Four resistances 10Ω, 5Ω, 7Ω and 3Ω are connected so that they form the sides of a rectangle AB, BC, CD and DA respectively. Another resistance of 10Ω is connected across the diagonal AC. The equivalent resistance between A and B is
- 5Ω
- 2Ω
- 7Ω
- 10Ω
Q. Two resistances R1 and R2 provide series to parallel equivalents as n1. Then the correct relationship is
- (R1R2)2+(R2R1)2=n2
- (R1R2)3/2+(R2R1)3/2=n3/2
- (R1R2)+(R2R1)=n
- (R1R2)1/2+(R2R1)1/2=n1/2
Q. Find the equivalent resistance between points A and B of the following network shown in the given diagram?


- 6Ω
- 10Ω
- 4Ω
- 8Ω
Q. Given three resistors of 2Ω, 4Ω and 6Ω, what will be the minimum equivalent resistance one can obtain through their various arrangements?
- 1211Ω
- 1316Ω
- 1112Ω
- 1Ω
Q. Find the equivalent resistance between points A and B in the circuit shown in the diagram? Every resistor shown here is of 2Ω.


- 2.33Ω
- 3.33Ω
- 1.33Ω
- 4Ω
Q. The effective resistance of a number of resistors in parallel is xΩ. When one of the resistorsis burnt, the effective resistance is yΩ. The resistance of the burnt resistor is.
- (xyx+y)Ω
- (y−x)Ω
- (x+yxy)Ω
- (xyy−x)Ω
Q. A wire of resistor R is bent into a circular ring of radius r. Equivalent resistance between two points X and Y on its circumference, when angle XOY is α, can be given by


- R2π(2π−α)
- R(2π−α)
- 4πRα(2π−α)
- Rα4π2(2π−α)
Q. Three resistances each of 4Ω are connected in the form of an equilateral triangle. The effective resistance between two corners is
- 12Ω
- 38Ω
- 8Ω
- 83Ω
Q. The potential difference between points A and B of adjoining figure is -


- 2 V
- 2/3 V
- 8/9 V
- 4/3 V