`{:("Across",|,"Down"),(4. "The cell which cannot be charge",|,1."Electricity produced by water stored at certain height"),(7."The substance which allows electrical energy passes through it ",|,2."Filament works on this effect of electricity"),(8."The property of conductor which opposes current ",|,3."Positive terminal of a cell"),(9."The path of electric energy flow is called",|,5. "Negative teminal of a battery"),(,|,6."MCBs are alternative for"):}`

Explanation

Across:
4. Primary cell
7. Conductor
8. Resistance
9. Circuit
Down
1. Hydel electricity
2. Heating
3. Anode
5. Cathode
6. Fuse