Suppose the emf of the battery in the circuit shown in Figure varies with time t so that the current is given by i(t)=3.0 + 5.0t, where i is in amperes and
The emf of a battery is 2V and internal resistance is 0.5 ohm . Find the maximum power that can be delivered by the cell.
![Physics Reference: A battery of electromotive force (e.m.f.) E and internal resistance 1.5 Ω is connected to a network of resistors, as shown in Fig. 6.1. Physics Reference: A battery of electromotive force (e.m.f.) E and internal resistance 1.5 Ω is connected to a network of resistors, as shown in Fig. 6.1.](https://1.bp.blogspot.com/-I-EVGbefW4c/XYu8T-ZFCII/AAAAAAAAKhg/jpwWEys4tgspkjnkoaUNcO7AJY3-JveDACLcBGAsYHQ/s1600/june2019p23q6-circuit-resistors-internal.png)