Fill in the blanks.
(i) There are ……………. terminals in an electric cell. They are ……………. & ……………
(ii) The substances which do not allow an electric current to flow through them are called ……………….
(iii) The two metal wires fixed to a torch bulb act as two ……………….
(iv) ………………. is the source of electric energy in a torchlight.
(v) The bulbs which do not ………………. are said to be fused.
(vi) Do not connect the two terminals of a cell with a ……………….
(vii) The cell consists of ………………. rod at its center.
(viii) ……………. filament is used finally by Thomas Alva Edison in his bulb.