List I | List II | ||
|---|---|---|---|
| A | Mesozoic Era | I | Lower invertebrates |
| B | Proterozoic Era | II | Fish & Amphibia |
| C | Cenozoic Era | III | Birds & Reptiles |
| D | Paleozoic Era | IV | Mammals |
The circuit shown in the figure contains two ideal diodes \( D_1 \) and \( D_2 \). If a cell of emf 3V and negligible internal resistance is connected as shown, then the current through \( 70 \, \Omega \) resistance (in amperes) is: 