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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.
[Note: Enter the final answer up to one decimal place.]
In terms of ampere, the value of current is .
From the Ohm's law, , the formula of resistance is found as
On substituting the given values, we get the resistance as \(\Omega\). The value can also be written as \(k\Omega\).