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Electrocution (death). If the hair dryer falls into a sink of water and any part of your body is touching either the dryer or the basin of water you will not know what hit you. If your feet are wet from getting out of the tub or shower, and you dry your hair, you are in grave danger of electrocution should the hair dryer short out, which could happen at any time without any warning. Electricity and water do not mix. Water is a conductor of electricity.
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Some electrical appliances perform quite unsatisfactory when long extension cords are used Why?
Long extension cords can result in voltage drop, causing a decrease in electrical power reaching the appliance. This can lead to inefficient performance as the appliance may not receive sufficient power to operate at its full capacity. It's always recommended to use extension cords of appropriate length and gauge to avoid this issue.
Should be current in earth pin yes or no and why?
No, because electrical systems use earth as a reference of zero potential, however lots of electrical appliances use the earth as a reference point and dump a small amount of current to earth all the time in order to limit power spikes which can damage micro electronics, as long as the earth pin has good contact with the main earth terminal in an electrical installation this is not a problem. some larger appliances like water heaters and electric oven also leak current to earth while they are in use. This is another reason why there should always be a good contact with the main earth terminal.
What type of electric element do electric heaters use?
It depends on the size of the element in the heater. It should say what its rating is on the appliance. If there is no rating then the best way to work it out is to turn everything else off and see how much the electricity meter registers in one hour. If it is 2 kilowatts for instance then then the element is 2000 watts and you know it will use 2kw per hour. This assumes it won't be turned on and off by its thermostat which normally happens as it reaches it's final temperature.
Why some appliances perform quite when long extension cord are used?
An appliance which does not use much current will perform satisfactorily with a long extension cord. Any device which uses a lot of power (space heater, large power tools) will not perform well on a long ext cord unless the cord is large enough and rated to carry the required power.
Name a case where it could be dangerous or impractical to use explosives for seismic prospecting?
Using explosives for seismic prospecting near populated areas, sensitive ecosystems, or critical infrastructure could be dangerous due to the risk of accidental explosions, ground disturbance, and potential damage to surrounding structures. Additionally, using explosives in regions with geological or geotechnical risks such as high seismic activity or unstable ground conditions could further increase the danger and impracticality of their use.
Why is it dangerous to use the wrong fuse in an appliance?
it can shock you
What does the power rating of an electrical appliance mean?
The power rating of an electrical appliance represents the rate at which the appliance uses electrical energy. It is typically measured in watts and indicates how much electricity the appliance consumes when it is in use. Higher power ratings suggest that the appliance uses more energy.
What determines whether a 100-w light bulb cost more to use than a 1200-w hair dryer costs to use?
The electric power used by an appliance is the rate at which the appliance converts electrical energy to other forms of energy. The electrical energy used by an appliance depends on the power of the appliance and the length of the time it is used.
How is it possible to use more than one electrical appliance at a time?
It is possible to use more than one electrical appliance at a time by connecting them to separate outlets or power sources. Each appliance will draw power from the source it is connected to, allowing multiple appliances to operate simultaneously without overloading a single circuit.
What does an electric appliance use up in its operation?
An electric appliance uses up electrical energy during its operation to power its components and perform its intended functions. This energy is typically supplied through a power source such as an electrical outlet or battery.
Can coffee makers start on fire?
Any electrical/electronic appliance can catch fire if misused and not properly cared for. Electrical shorts are usually the cause. Always best to unplug any appliance that is not in regular daily use.
What does a portable appliance tester do?
A portable appliance tester is responsible for testing electrical appliance for safety. In the United Kingdom, the Republic of Ireland, Australia and New Zealand electrical appliances need to be routinely checked. This process is called portable appliance testing or short PAT, PAT Inspection or PAT Testing. Labels like 'passed' and 'passed for electrical safety' are attached to the appliance if the check was successful.
What wire would you use for a receptacle in kitchen?
To answer this question more information is required, as to the appliance electrical consumption.
Are food processors dangerous to humans?
Food processors can be dangerous to humans if they do not use the appliance properly. Food processors can be dangerous, because it is a machine and there are blades that go with it. Food processors are a small appliance that help chop and slice food in order to prepare a dish. Food processors are not dangerous to your health if you keep it clean and store it properly.
What happens if power rating of an appliance is exceeded?
Exceeding the power rating of an appliance can lead to overheating, electrical fires, or damage to the appliance. It can also trip circuit breakers or blow fuses in your home's electrical system. It is important to only use appliances within their specified power ratings to ensure safe operation.
What electrical appliances don't use magnets?
Any appliance that has a resistive load to operate, such as a toaster or an electric iron.
Why is water use to generate electricity but give shock when you touch any appliances with wet hand?
Water is a cheap source of generating Electrical Energy, But touching any electrical appliance with a wet hands is very dangerous because water is a very good conductor. so yo may have shock if you touch.
