Question

which of the following can be used in series with a zener diode so that combination has almost zero temperature coeffecients
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Answer 1

Answer:

The required answer is diode.

Explanation:

A Zener diode and a diode can be combined in series to create a device with practically zero temperature coefficients.

The only way I can describe: A forward diode with a TC of approximately $+2$mV and a Zener diode with a TC of approximately $-2$mV are connected in series. to achieve a very low (near zero) TC, the combination can be employed.

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