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# Physics paper

When electrons are moving against the same direction it causes friction, tis is manifested in form of heat. a the same time the readings of ammeter changes. Te concentration of heat in filament will force the bulb to glow. I the cases of short circuit, te bulb will stop glowing because there is no complete flow of electrons. Tere will be any resistance because the circuit is incomplete. Wen we use batteries in the above set up, te battery will run short of the charge because the electrons lot of resistance hence discharging of electrons will be faster.

i such cases the resistance will be the key factor which it discharges the battery. Wen bulb is removed and replaced with a variable resistor, wen using a series resistance in the experiment it will result in less current and when the resistance is increased the current will reduce drastically (Jeong). Ad when there is increase in the number of filament lamps in the circuit there will be less current, blbs will always resist the current in regardless voltage.

Canging of voltage in the circuit too have an effect on the bulbs and ammeter, wen there is too much current and less resistance the bulbs will blow up because the filament will not be a position to resist the current. i the circuit, wen the ammeter for instance reading 0. 1, te bulb will glow. Wen the current is increased to 0. 2 the bulb will glow brighter, aso if the current is further increased to 0. 3 the bulb will blow up. W can assume amount flowing from the tank through a pipe as current.

Wen the pressure is increased the higher the flow of water, te water flowing through the pipe over certain period can be measured by volume on a given time. Wth electricity, w measure amount of charges flowing through a conductor over a given period. Crrent is measured in amperes, ad it’s denoted by letter ‘I’. Wen two tanks with the same volume of water is fitted with different pipes, oe with narrow and the other with bigger. Wen is released the pressure is measured from two pipes, te flow rate of flowing water from the narrower pipe is less when compared with the flow of water from narrower pipe.

I the uniform pressure is required, te water level in the tank with narrower pipe is increased. i electrical terms, te current flowing through the thinner wire is less when compared with thick wire. I the same flow of. ..

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• Pages: 4 (1000 words)
• Document Type: Essay
• Subject: Physics
• Level: Masters
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