A $$10$$ $$V$$ battery with an internal resistance of $$1\,\Omega $$ is connected across a nonlinear load whose $$V-1$$ characteristic is given by $$7{\rm I} = {V^2} + 2V.$$ The current delivered by the battery is ............... $$A.$$

The value of $$E$$ and $${\rm I}$$ for the circuit shown in Figure, are ..... $$V$$ and ...... $$A.$$

The voltage and current waveforms for an element are shown in Figure. The circuit element is .......... and its value is .........

For the circuit shown in Fig, the Norton equivalent source current value is _________ $$A$$ and its resistance is ___________ $$Ohms$$