The terminal voltage of a cell is less than its emf when current is drawn from it due to the voltage drop across the internal resistance ($V = E - Ir$).
A resistor of 10 $\Omega$ connected across a cell of emf 12 V, draws the current of 1.1 A. Find the internal resistance of the cell.
Asked in MPSC CS Prelims 2018 · Topic: Electric Current (Electromotive Force (EMF) and internal resistance of a cell)
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