JEE Main 20266 Apr, Morning shiftPhysicsMediumElectronic Devices66× since 2002
The maximum rated power of the LED is 2 mW and it is used in the circuit with input voltage of 5 V as shown in the figure below. The current through resistance is 0.5 mA. The minimum value of the resistance of , to ensure that the LED is not damaged is ________ k.