Electric Cell And Its Types
Electric Cell And Its Types
Electric cells are a common source of electric energy for many equipment. Electric cells are used in transistors, calculators, wristwatches, remotes, toys, clocks, cameras, video games, etc. An electrochemical cell is a device which by converting chemical energy into electrical energy maintains the flow of charge in a circuit. It usually consists of two electrodes of different materials and an electrolyte. The electrode at higher potential is called anode and the one at lower potential is cathode
Primary Cells: The cells which cannot be recharged electrically are called primary cells. Here the original state of cell cannot be brought back by passing electrical energy through cell from external source after cell is discharged. the examples are Voltaic cell, Daniel cell, Leclanche cell, manganese-alkaline cell, mercury button cell etc.
Secondary Cells: The cells in which chemical process is reversible are called secondary cells. Here original chemical state of the cell can be brought back by passing electrical energy through cell from external source. The examples are Lead acid accumulator, alkali cells etc.
Advantages of Electric Cells:
1. Electric cells are light so they are portable (can be carried easily).
2. They produce a very small amount of electricity so they are perfectly safe and one can handle them without receiving electric shocks.
3. They are not very costly.
4. They do not contain any liquid chemicals that can be spilled.
5. They supply a steady electric current.
Lead acid accumulator is an example of ______________ cell. | |||
| Right Option : B | |||
| View Explanation | |||
__________________ is not an advantage of electric cell. | |||
| Right Option : D | |||
| View Explanation | |||
In the voltaic cell, the charge flows from ___________________. | |||
| Right Option : A | |||
| View Explanation | |||
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