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See this article on Wikipedia, for explanation and history of world electrical systems.
http://en.wikipedia.org/wiki/Mains_electricity
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∙ 14y ago
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What is the Si unit used to measure the different on voltage between two place?
Volts
What is the time difference between Melbourne and Kathmandu?
there both different countries
Can voltage increase or decrease in a system during a day?
Power supply voltages vary with the amount of load placed on them. In many countries the supply voltage has a nominal voltage and a plus or minus tolerance. In the UK the nominal voltage is 230 v but the allowable variation is -6% +10%, in other words 216-253. At my house the voltage is usually between about 236 and 253 volts.
Is line voltage understood as any voltage?
Line voltage is understood as the voltage that the device or appliance needs to operate on. It is also referred to as the devices working voltage. Once the proper line voltage or working voltage is applied to the device it may be transformed to different voltages for different internal component circuits.
What makes a dc bulb different from an ac bulb?
The voltage source that is applied to them is the difference between AC and DC light bulbs.
Do many countries use different mains voltage than UK?
No.
What are the benefits of traveling with a voltage converter?
if you are traveling out of the country a voltage converter is a neccessity. Because a lot of other countries use electricity on a different voltage.
What the different between voltage generators and voltage transformers?
Generators generate and transformers step up or step down the voltage
What is relation between frequency and voltage of that frequency?
voltage and frequency both are different quantity.. don't mix it...
What is the main different between the power transformer and voltage transformer?
Voltage Tarnsformer transforms only voltage. While power transformer transforms both voltage and current.
How is different between voltage and current?
voltage = the electrical "pressure"current = the electrical "movement rate" or "flow rate"
What is the frequency in different countries?
Scroll down to related links and look at "AC voltage and frequencies in the world".
What is voltage of main electricity?
It varies in different countries round the world but most use 240 volt mains.
What is the Si unit used to measure the different on voltage between two place?
Volts
The difference between short to a voltage circuit and short to a ground circuit?
A short circuit is an abnormal connection between two nodes intended to be at different voltages. A voltage circuit is caused intentionally for the purpose of voltage sensing. A ground circuit occurs between a phase and the ground.
What is the difference between America and the Caribbean?
different countries
How can transformer oil be used in transformers with voltage rating above its breakdown voltage?
In this circumstance, the clearance between components at different potential must be increased.
