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Series and Parallel Grouping of cell is considered one of the most asked concept.
12 Questions around this concept.
The figure shows three circuits I, II and III which are connected to a 3V battery. If the powers dissipated by the configurations I, II and III are P1, P2 and P3 respectively, then :
series grouping of cell:
In series grouping anode of one cell is connected to the cathode of other cells
identical cells which are connected in series, then
Equivalent e.m.f of combination is
Equivalent internal resistance
Main current / current from each cell
Power dissipated in the external circuit is
Conditions for Maximum Power is
when
Parallel grouping of cell
In parallel grouping, all anodes are connected to one point and all cathode together at other points
For n cells connected in parallel
Equivalent e.m.f
Equivalent internal resistance
The main current is
The potential difference across the external resistance
Current from each cell
The power dissipated in the circuit
Condition for Maximum Power
when
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