Q13 of 52 Page 382

Find the current drawn from the battery by network of four resistors shown in the figure?

Given:


V = 3V


R1 = R2 = R3 = R4 = 10Ω


Here, R1 and R2 are connected in series


And, R3 and R4 are connected in series.






Now, by Ohm’s Law





Thus, Current drawn by the resistor from the battery is 0.3 A


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Aluminium wire has radius 0.25 mm and length or 75 m. If the resistance of the wire is 10Ω, calculate the resistivity of aluminium.

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You are given three resistors each of 3Ω and you are asked to get all possible values of resistance when you connect them in different combinations. How many values of resistance can you get?

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A wire is cut into three equal parts and then connected in parallel with the same source. How will its.

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