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When a 12 V battery is connected across an unknown resistor there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor. |
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Answer» SOLUTION :V=12 V I=2.5 mA = `2.5xx10^(-3)` A R = ? `R= (V)/(I) = (12)/(2.5xx10^(-3))` =` 4800 Omega` |
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