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Two wires have their lengths, diameters and resistivities all in the ratio of 1 : 2 : 1. If the resistance of the thinner wire is 10 ohm, the resistance of the thicker wire is

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Electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields. The electromagnetic force is one of the four fundamental forces of nature. It is the dominant force in the interactions of atoms and molecules.


Two wires have their lengths, diameters and resistivities all in the ratio of 1 : 2 : 1. If the resistance of the thinner wire is 10 ohm, the resistance of the thicker wire is






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