Why is a diode connected in parallel in reverse bias across a relay?
Asked by Ashni Kankate, 27 Feb 03:55 pm
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An electrolytic capacitor is used in parallel with relay coil to introduce a small switch off delay. A diode is used in reverse biased mode to absorb the back emf generated during switching off. They are two independent operations. The question is whether both the operations are possible in the same circuit i.e. a capacitor and a reverse biased diode connected in parallel with the relay coil.Answered by Ataur Rahman, 27 Feb 03:57 pm
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