stress QUESTIONNAIRE

May 5th, 2015
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A primary cell or battery is one that has been designed to be used only once. It cannot be recharged or maintained to be used again after its power has run out. Most primary cell use electrolytes which are surrounded by absorbent material or a separator and for this reason are called dry cells. The electrolytes in this type of cell are not in liquid form or free running.

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stress QUESTIONNAIRE-A primary cell or battery is one that has been designed to be used only once. It cannot be recharged or maintained to be used again after its power has run out. Most primary cell use electrolytes which are surrounded by absorbent material or a separator and for this reason are called dry cells. The electrolytes in this type of cell are not in liquid form or free running.A secondary cell or battery unlike a primary cell can be recharged electrically after its first use and restored back to its original discharge condition. Recharging is done by passing electrical currents through the circuit, but the currents are passed in the opposite direction to the current discharge. The following diagram shows how recharging takes place.These two cells are both useful and both have their pros and con. For example a primary cell has a low initial cost when compared to a

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