Series and Parallel Combination of Resistors
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
Q. Two resistances R1 and R2 provide series to parallel equivalents as n1. Then the correct relationship is
Q. Find the equivalent resistance between points A and B of the following network shown in the given diagram?
Q. Given three resistors of 2Ω, 4Ω and 6Ω, what will be the minimum equivalent resistance one can obtain through their various arrangements?
Q. Find the equivalent resistance between points A and B in the circuit shown in the diagram? Every resistor shown here is of 2Ω.
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.
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
Q. Three resistances each of 4Ω are connected in the form of an equilateral triangle. The effective resistance between two corners is
Q. The potential difference between points A and B of adjoining figure is -
- 2 V
- 2/3 V
- 8/9 V
- 4/3 V