For the following circuit, ____ is the value of total resistance between X and Y.

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Detailed Solution

Concept: The total resistance between X and Y is 2R. Due to the inverse proportional relationship between current and resistance, it is known that current always flows through the wire with the lowest resistance.
Explanation:After passing the first resistance along the X terminal, current flows to the first resistance along the Y terminal. Rather, the connection at the other end is open, so no current flows through the remaining resistance.
Therefore, the two resistors act as a series combination of resistors, and the total resistance of terminals X and y is given as follows:

Therefore, the value of the total resistance between X and Y is 2R.

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