Electricity, a Versatile Energy
Electricity is the set of physical phenomena associated with the presence and flow of electric charge. Electricity gives a wide variety of well- know effects such as lightning, static electricity, electro magnetic induction and the flow of electrical current. In addition, electricity permits the creation and reception of electromagnetic radiation such as radio waves.
Electrical phenomena have been studied since antiquity, though advances in the science were not made until the seventeenth and eighteenth centuries. Practical applications for electricity however remained few, and it would not be until the late nineteenth century that engineers were able to put it to industrial and residential use. The rapid expansion in electrical technology at this time transformed industry and society. Electricity's extraordinary versatility as a means of providing energy means it can be put to an almost limitless set of applications which includetransport, heating, lighting, communications, and computation. Electrical power is the backbone of modern industrial society.
HYPOTHESIS
Benjamin Franklin carried on experiments with the Leyden jar, made an electrical battery, killed a fowl and roasted it upon a spit turned by electricity, sent a current through water to ignite alcohol, ignited gunpowder, and charged glasses of wine so that the drinkers received shocks.
More important, perhaps, he began to develop the theory of the identity of lightning and electricity, and the possibility of protecting buildings by iron rods. Using an iron rod he brought down electricity into his house, and studied its effect upon bells, he concluded that clouds were generally negatively electrified. In June of 1752, he performed his famous kite experiment, drawing down electricity from the clouds and charging a Leyden jar from the key at the end of the string.
Benjamin Franklin's letters to Peter Collinson were read before the Royal Society which Collinson belonged to but were
Electrical phenomena have been studied since antiquity, though advances in the science were not made until the seventeenth and eighteenth centuries. Practical applications for electricity however remained few, and it would not be until the late nineteenth century that engineers were able to put it to industrial and residential use. The rapid expansion in electrical technology at this time transformed industry and society. Electricity's extraordinary versatility as a means of providing energy means it can be put to an almost limitless set of applications which includetransport, heating, lighting, communications, and computation. Electrical power is the backbone of modern industrial society.
HYPOTHESIS
Benjamin Franklin carried on experiments with the Leyden jar, made an electrical battery, killed a fowl and roasted it upon a spit turned by electricity, sent a current through water to ignite alcohol, ignited gunpowder, and charged glasses of wine so that the drinkers received shocks.
More important, perhaps, he began to develop the theory of the identity of lightning and electricity, and the possibility of protecting buildings by iron rods. Using an iron rod he brought down electricity into his house, and studied its effect upon bells, he concluded that clouds were generally negatively electrified. In June of 1752, he performed his famous kite experiment, drawing down electricity from the clouds and charging a Leyden jar from the key at the end of the string.
Benjamin Franklin's letters to Peter Collinson were read before the Royal Society which Collinson belonged to but were