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प्रश्न
What is a primary cell?
What do you understand by primary cells?
लघु उत्तरीय
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उत्तर
- Primary cells are those cells in which the cell reaction occurs only in one direction and the reaction cannot be reversed by the external energy source.
- As a result, the reaction in primary cells only happens once, and the battery eventually dies and is no longer usable.
- It is impossible to recharge such cells.
- Daniell cells, dry cells, mercury cells, and others are examples of significant primary cells.
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Types of Circuits: Simple Circuit
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Electrochemistry - REVIEW EXERCISES [पृष्ठ १८७]
संबंधित प्रश्न
State three differences between the primary and secondary cells.
Explain why does a metal wire when connected to a cell offer resistance to the flow of current.
Name the physical quantitiy of which the unit is ampere
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
Which sphere is at higher potential before electrical contact on the basis of convention?
What do you understand by the term parallel circuit?
Can ever photons have a charge? If not, why?
What is the SI unit of charge?
What do you mean by an electric current?
Distinguish between an atom and an ion.
What type of circuit is there in a torch light?
