Telephone Engineering » Exercise - 119. The type of receiver widely used in the conventional telephone set. (a) electromagnetic (b) ceramic (c) carbon (d) piezoelectric
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Telephone Engineering » Exercise - 1 1. A condition of a telephone handset, in which it can be called, is _______ condition. (a) on-hook (b) off-hook (c) busy (d) none of these
Tags: telephone, engineering, exercise, handset, communication