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संबंधित प्रश्न
The V-I graph for a series combination and for a parallel combination of two resistors is shown in the figure below. Which of the two A or B. represents the parallel combination? Give reasons for your answer.
Find the equivalent resistance between A and B
How does the resistance of a wire change when:
its length is tripled?
Name a substance of which the resistance remains almost unchanged by the increase in temperature.
Name the following substance showing low resistivity.
How will you oonnect five resistors, each of the value one ohm, to obtain an equivalent resistance of 0.2 `Omega`
State and explain the laws of resistance.
Six equal resistors of 1 ohm each are connected to form the sides of a hexagon ABCDEF. Calculate the resistance offered by the combination if the current enters at A and leaves it at D.
Two wires of same material and same lengths have radii in the ratio of 2 : 3, Compare their resistances.
