MEDIUM
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IMPORTANT
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V-i graphs for parallel and series combination of two identical resistors are as shown in the figure. Which graph represents parallel combination?

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Important Questions on Electric Current and Circuits

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JEE Main
IMPORTANT
Two resistors of resistance R1 and R2 having R1>R2 are connected in parallel. For equivalent resistance R, the correct statement is
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JEE Main
IMPORTANT

Seven resistances are connected as shown in the figure.

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The equivalent resistance between A and B is

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What is the equivalent resistance between the points A and B of the network?

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A uniform wire of resistance 9 Ω is cut into 3 equal parts. They are connected in the form of an equilateral triangle ABC. A cell of emf 2 V and negligible internal resistance is connected across B and C. Potential difference across AB is