each having an e.m.f. of 1.5 V and a constant internal resistance of 2.0Ω

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Three identical cells, each having an e.m.f. of 1.5 V and a constant internal resistance of 2.0Ω, are connected in series with a 4.0 Ω resistance R, first as in circuit (1), and second as in circuit (ii). what is the ratio Power in R in circuit (ii)/Power in R in circuit (i) ​ ?
06
Dec
Three identical cells, each having an e.m.f. of 1.5 V and a constant internal resistance of 2.0Ω, are connected in series with a 4.0 Ω resistance R, first as in circuit (1), and second as in circuit (ii). what is the ratio Power in R in circuit (ii)/Power in R in circuit (i) ​ ? [...]
Posted in: Cengage JEE Mains Physics by B.M Sharma , Chapter 20 - Heating Effects of Current and Instruments ,
Tags: and second as in circuit (ii). what is the ratio Power in R in circuit (ii)/Power in R in circuit (i) ​ ? , are connected in series with a 4.0 Ω resistance R , each having an e.m.f. of 1.5 V and a constant internal resistance of 2.0Ω , first as in circuit (1) , Three identical cells ,