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# Physics paper - Essay Example

Summary
Resistance is defined as the pressure of pushing charges along an electric conductor while current is defined as the rate of charges which flows past a certain point in a circuit. This research will focus on using experiments to describe and give various properties concerning…

## Extract of sample"Physics paper"

Download file to see previous pages Another area of research will be determining the different between resistance and current. The distinct properties of resistance and current will be considered in order to identify various types of resistance in conductors of electricity. Resistivity and conductivity are also studied in this research; the factors which influence the conductivity for instances temperatures are also studied.in addition to exploring various types of applications which has high resistance and current consumption the knowledge of electric generation will be featured (S. Knight).
For further understanding of resistance and current, an experiment is performed in the laboratory in order to analyze the effects of resistance and current in electricity transmission. The following apparatus and materials required while carrying out the experiment (S. Knight).
In the above set up, while the electrons are passing through thin metal filament of the lamp, the electrons face more opposition because the filament is thinner when compared to the wire used in the experiment. The opposition to electric current depends on the type of material, cross-sectional area and its temperatures (Jeong). Basically it can be said the conductors have low resistance while insulators have low resistance. The resistance reduces amount of current through the circuit and the bulb will glow depending on the amount of electrons passing through the wire. When electrons are moving against the same direction it causes friction, this is manifested in form of heat.at the same time the readings of ammeter changes. The concentration of heat in filament will force the bulb to glow.
In the cases of short circuit, the bulb will stop glowing because there is no complete flow of electrons. There will be any resistance because the circuit is incomplete. When we use batteries in the above set up, the battery will run short of the charge because the ...Download file to see next pagesRead More
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