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In case of the UJT firing circuit, when the UJT turns on

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+1 vote
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in Power Electronics by (27.1k points)
In case of the UJT firing circuit, when the UJT turns on

(a) the capacitor starts to charge

(b) the capacitor starts to discharge

(c) the capacitor remains unaffected

(d) there is no capacitor in a UJT firing circuit

I have been asked this question in an interview for internship.

This interesting question is from Firing Circuits-3 topic in chapter Other Circuits of Power Electronics

1 Answer

0 votes
by (45.1k points)
Right option is (b) the capacitor starts to discharge

Explanation: When the UJT is fired, C starts to discharge.

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