Three cells of emf 2-0 V, 1-8 V and 1-5 V are connected in series. Their internal resistances are 0-05 Q, 0-7 Q and 10 respectively. If this battery is connected to an external resistance of 4 0, calculate (i) the total current flowing in the circuit. (ii) the potential difference across the terminals of the cell of emf 1-5 V while in use.
Three cells of emf 2-0 V, 1-8 V and 1-5 V are connected in series. Their internal resistances are 0-05 Q, 0-7 Q and 10 respectively. If this battery is connected to an external resistance of 4 0, calculate (i) the total current flowing in the circuit. (ii) the potential difference across the terminals of the cell of emf 1-5 V while in use.
Chapter10: Direct-current Circuits
Section: Chapter Questions
Problem 45P: A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of...
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