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State the condition for maximum current ...

State the condition for maximum current to be drawn from the cell.

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To determine the condition for maximum current to be drawn from a cell, we can analyze the relationship between the electromotive force (EMF) of the cell, its internal resistance, and the external resistance connected to it. ### Step-by-Step Solution: 1. **Understanding the Circuit**: - Consider a cell with an EMF \( E \) and an internal resistance \( r \). - Connect this cell to an external resistor \( R \). ...
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(a) Six lead-acid type of secondary cells each of emf 2-0 V and internal resistance 0-015Omega are jouned in series to provide a supply to a resistance of 8-5Omega . What are the current drawn from the supply and its terminal voltage ? (b) A secondary cells after long use has an emf of 1-9 V and a large internal resistance of 380 Omega . What maximum current can be drawn from the cell ? Could the cell drive the starting motor of a car ?