Physics, 05.05.2020 22:20, 6lost6soul6

When a potential difference of 10 V is placed across a certain solid cylindrical resistor, the current through it is 2 A. If the diameter of this resistor is now 1/3 the original diameter, the current will be?

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When a potential difference of 10 V is placed across a certain solid cylindrical resistor, the curre...