The circuit in the diagram consists of a battery with EMF,E, aresistor with resi

Question

The circuit in the diagram consists of a battery with EMF,E, aresistor with resistance R an ammeter and a voltmeter. Theinternal resistance of the battery r int is not zero What is the ammeter reading I expressed in terms of E, R and rint? What is the voltmeter reading expressed in terms of E, R and rint

Explanation / Answer

total resistance : R(total)= R+r => the current in the circuit(as same as reading on the ammeter) I=E/(R+r) the difference potential between two point (2,3) (as same asreading on the voltmeter): U= E- I.r = E- E.r/(R+r)= E.R/(R+r)

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