Created by StemPy LabA cell of emf and internal resistance is joined to a variable resistor. What is the greatest power that the resistor can take?
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← A storage battery of emf 13.2 V and internal resistance 0.045 Ω is charged with a current of 16 A. What is the voltage across its terminals during charging?A metre bridge is set up with 24 Ω in the right-hand gap and a wire coil of unknown resistance in the left-hand gap. The null point is 35 cm along the wire, counted from the coil's side. Find the unknown resistance. →
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