can we distinguish between zener diode and rectifier diode using multimeter?
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Answer:
Although they are both called diodes they have very different uses. ... In this circuit they have used a 5.1V zener diode, if you were to use a multimeter across Vout then you would measure 5.1V, all the other voltage is dropped across the other components in the circuit, in this case a 1K resistor.
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No, the multimeter cannot measure the breakdown voltage of the majority of zener diodes.
- No, the multimeter cannot measure the breakdown voltage of the majority of zener diodes. To examine the breakdown, you'll need a variable voltage source, a resistor of at least 10K ohms in value, or a semiconductor curve tracer like the Tek 576.
- The metre will display the source voltage after reading a low voltage. When the voltage surpasses the zener voltage, the metre will stop changing when the source voltage is increased. Voltage will not change when the source setting increases (within millivolts). A decent fixed voltage supply can be used for this. If you have a supply of 50 or even 25V, you can examine zener voltages up to those levels since most zeners are less than 75V.
Hence, no, the multimeter cannot measure the breakdown voltage of the majority of zener diodes.
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