A wire whose resistance is 90 ohm is cut into 3 pieces of equal lengths which are then arranged in parallel. Calculate the resistance of the combinati

A wire whose resistance is 90 ohm is cut into 3 pieces of equal lengths which are then arranged in parallel. Calculate the resistance of the combinati
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A wire whose resistance is 90 ohm is cut into 3 pieces of equal lengths which are then ... in parallel. Calculate the resistance of the combination.
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