The diagram on the right shows a circuit with three identical resistors. Which o

Question

The diagram on the right shows a circuit with three identical resistors. Which of the following is the correct relation between the currents I1 and I2? Two wire segments made of the same material have the same length but different diameters. They are connected in series to a battery as shown in the diagram. The quantity that is the same for the two wires is: the cross sectional area of each segment the resistance of each segment the current in each segment the potential difference across the length of each segment none of the above.

Explanation / Answer

As applies for parallel connected resistors, voltage accross them is equal but the current passing through them may be of different magnitudes. The magnitude is calculated using Ohm

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