[230] How to Find Unknown Zener Voltage Value Without Part Number Urdu

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in this video i demonstrated How to know / Find Unknown Zener Voltage Value Without Part Number. i connected a resistor in series to the zener diode. i connected +ve to the cathode of zener and -ve supply to the other end of the resistor. i connected DC Voltmeter across the zener and started increasing voltage. when the zener diode stopped stopped increasing voltage, that is zener voltage value
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