Electricity Electricity was a form of energy . In its most useful form , electricity was what many species across the universe used for power . Uses . Some species like the Wire could physically transform themselves into electricity and travel across galaxies in that form . ( TV : " The Idiot ' s Lantern " ) The Wirrn were susceptible to electricity . The Fourth Doctor rigged up power from a transport ship to Nerva Beacon in order to create an electrically charged barrier around the cryogenic chamber . ( TV : " The Ark in Space " ) Sarah Jane Smith destroyed a Kraal android by using electricity . She poured water on the ground , which acted as a conductor , and , when the android entered the puddle , applied the charge . ( TV : " The Android Invasion " ) The Swarm infected its hosts through electrical pathways . ( TV : " The Invisible Enemy " ) Dalek s used electric barriers to protect themselves from Terrorkon s while storing missiles in the Lake of Mutations . ( COMIC : " The Terrorkon Harvest " ) The Klepton s used an electrified wire cage to contain their Thain slave s in their underwater city . ( COMIC : " The Klepton Parasites " ) Static electricity . On Skaro , the Dalek s used static electricity as a power source . They could not travel beyond the metallic flooring that provided them with the electricity . ( TV : " The Daleks " ) Unlike these prototypes , the first field - tested group of Daleks created by Davros had been improved to remove this flaw . ( TV : " Genesis of the Daleks " ) Other Daleks who descended from the prototype group also outmoded this feature because of the limitations caused when disconnected from their electrical source . ( TV : " The Dalek Invasion of Earth " ) Weaponised electricity . On Gyros , the First Doctor sent out electric shocks through the TARDIS to ward off the Gyro s . ( COMIC : " The Gyros Injustice " ) In the 1900s , a Rutan scout killed Ben Travers , Reuben , Henry Palmerdale , Harker , Adelaide Lessage and James Skinsale with electricity . ( TV : " Horror of Fang Rock " ) The Silent s were capable of absorbing electrical energy , and harnessing it to kill their victims . Joy was killed in this way while in the White House . ( TV : " The Impossible Astronaut " ) The Masters of Dorada could generate electric charges through their tentacle s . They would give their enslaved Doradan s electric shocks if they stopped working . ( PROSE : " The Dream Masters " ) The Chameleons had ray gun s which could electrocute living beings . ( TV : " The Faceless Ones " ) The Slitheen harnessed electricity as a weapon during their first Earth invasion . They attached electrical transmitters to name tags and used them to zap half of UNIT ' s alien experts . ( TV : " Aliens of London " ) Dæmon s ( TV : " The Dæmons " ) and the Rutan Host ( TV : " Horror of Fang Rock " ) used electricity as a weapon . Racnoss webstar s could discharge electrical blasts from any of their pointed spires . ( TV : " The Runaway Bride " ) The Cybermen could electrocute victims through their arm gauntlets , harming them ( TV : " The Moonbase " et al . ) or killing them instantly . ( TV : " Rise of the Cybermen " , " The Next Doctor " ) Bannakaffalatta , a cyborg , had the ability to emit a high - range electromagnetic pulse . This destroyed the Heavenly Host easily , but without immediately available medical facilities , it cost him his life . ( TV : " Voyage of the Damned " ) Davros could fire electrical charges from his hands , his cybernetic arm gauntlet and his artificial eye . These ranged from minor to fatal voltage . ( TV : " Revelation of the Daleks " , " Journey ' s End " ) Zygon s could shoot bolts of electricity from their hands , and could vary the strength of the charge to either stun humans and other Zygons , or disintegrate them into piles of hair and skin . ( TV : " The Zygon Invasion " )