[填空题]
(a) Determine the curren vp o*tbr:1su3a .n0,l hya5c7w r2utxts $I_1$,$I_2$, and $I_3$ in (Fig. Below). Assume the internal resistance of each battery is $r\,=\,1.0\Omega$$I_1$ $\approx$ A(retain two decimal places)
$I_2$ $\approx$ A (retain two decimal places)
$I_3$ $\approx$ A (retain three decimal places)
(b) What is the terminal voltage of the 6.0-V battery? $V_{terminal}$ V
