ANSWERS: 11
  • The one with the shorter cord. Electricity is the passing of electrons from molecule to molecule and although this happens almost instantly at any distance (when considered a chain reaction) there is a tiny difference. The difference in time on a 1km V 1m cord will be too small to measure, but if the longer cord were 200 light years then you would be able to see the distance (assuming the cord was coiled and both lamps were next to each other ofc)
  • As far as the eye could tell much the same time. The lamp with 1000m would proberly be dimmer due to a possible volt drop, which would depend on the size of the cable which is run for the 1000m. Electricity is like a full garden hose, as soon as you add water to one end then water will exit the other end. Apparently anyway, I don't condone the use of electicity and garden hoses full of water at the same time!
  • That would depent where the switch is.. If it is on the lamp then at the same time. If it is on the wall, the one with the shorter cord wins.
  • both will glow at same time. we must know that electricity is flowing due to generated electric field,and the speed of the generated electric field is the speed of light,which is 3 lac km/second. As 1000km is small both will glow at the same time.
  • The lamp on the 1M power cable will turn on first. Even thought the current may flow at the speed of light, the time delay is still finite. It will take less time for the current to travel 1m than it will 1000m, however, the difference will be so small that you certainly will not be able to see it or measure it unless you have some very sophisticated instrumentation.
  • both will burn at the same time
  • Nice Friend, nice question, one thing i want to recal u as Resistance R = K *l /A where l is the distance of the path. So as u mentioned 1m and 1000m cable, the 1000m cable will provide higher resistance to the flow of cureent in that acble as well as the voltage drop in that cable will be higher than the 1m cable. So the 1000m cable can be able to reach the current at the lamp so that lamp will glow little bit late than 1m cable lamp. and 1000m cable will glow with little bit dimer than 1m cable.
  • Same time, there are already electrons at the ends of both cords. Its like saying you have two full hoses and ones 1000m and ones 1m, if you turn the water on, water will come out of both right away, because they were full to begin with.
  • 1m power cable
  • the 1m cable, the 1000m cable has more resistance as it is longer.
  • It would appear that both light up at the same time but,the 1 mtr cable bulb would glow first .Although the difference can't be known to the human eye.

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