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Answer Posted / sunil kanusu
no means normal open i.e initially its contacts were
open.And nc means normal close i.e initially its contacts
were closed.In control applications these very useful.if we
press 'no' its contacts closed otherwise contacts were
open.similarly if we press 'nc' its contacts open otherwise
contacts were closed.
| Is This Answer Correct ? | 11 Yes | 1 No |
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