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When a 12V 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 :Here, V = 12 V, 1= 2.5 mA ` = 2.5 XX 10^(-3) A, R= ?` The RESISTANCE of the resistor `R = V/I` `= 12/(2.5 xx 10^(-3))` `= 4800 Omega` `= 4.8 k Omega` |
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