Unscramble the following words:

(i) TBTAYER

(ii) SFEU

(iii) HTRCO

(iv) HICWTS

(i) Battery, it is a combination of two or more cells.

(ii) Fuse, it is safety device in electric circuit.

(iii) Torch, it is a portable lamp powered using battery.

(iv) Switch, an electrical component used to break the circuit.