WBJEE 2025 Physics and Chemistry Papers

Manufacturers supply a zener diode with zener voltage Vz=5.6V and maximum power dissipation Pz,max=‌

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W. This zener diode is used in the following circuit. Calculate the minimum value of the resistance Rs in the circuit so that the zener diode will not burn when the input voltage is V‌in ‌=10V.