Electricity

Subject: Science

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Charge is developed in nonmetals like plastic, wool, nylon, polyester, ebonite, etc. in insulating materials due to friction.
Electric Cell: A cell is a device where a potential difference between two conductors is maintained by a conversion of chemical energy into electrical energy.
Types of defects in voltaic cell: Polarization, Local action
Connection of cells: Cells in parallel combination, Cells in series combination