There's a lot of electricity in the household。
Refrigerators, air conditioners, washing machines, water heaters are used daily。
But most people just press the switch and don't understand the principle。
It's useless to use it, it costs electricity, it hurts machines, it shortens life, and it doesn't know。
You don't have to learn high-level physics. You just have to understand the six most practical life-physical logic。
You can understand the work of all household electricity, which is no longer used blindly, saves electricity and is durable。
One, heat up, cool down
This is the most basic and practical physical commons。
Thermal air is light and automatically drifts up
Cold air heavy, naturally sinking。
A lot of people who drive air conditioning in the summers are not cool, they charge electricity。
Summer cooling: wind blowing up
The air conditioning is automatically sinking, the house is rapidly cooling, compressors are not always working and power is saved。
Winter heating: wind blowing down
The heat rises from the bottom to the top of the house, the feet warm and the heat efficiency doubles。
A lot of people have turned their backs on air conditioning for decades, which is why electricity is not comfortable。
2. Water boiling temperature, associated with air pressure (water burning, cooking)
Many thought the water was 100 degrees。
It's not right
The lower the pressure, the lower the boiling temperature。
The high-pressure cooker is fast:
Close pressure, water temperatures exceed 100 degrees, meat rots fast, tastes fast and saves time。
The usual convertible boils water up to a maximum of 100 degrees, which will not heat up, and will only evaporate and consume water。
Life skills:
Precious beans, pig hoofs, not to keep the fire running, to keep the lid under pressure, to make the gas easier and faster。
3. Current priority shortcuts (plugs, plugs, burnproof)
The core of physics: the least resistance to electricity。
Why is it so hot and hot to jump
It's not too many appliances, it's plugging in strings, messing in, overloading the shortcut。
One of the slots was simultaneously plugged into large power appliances: air conditioning, water heaters, electromagnetic furnaces。
The current is congested, electrical resistance is high and temperatures are rising
It took too long to burn plugs, wires and even security risks。
Remember: large power appliances are placed in a separate wall, not shared with other appliances。
4. Thermal swelling and constriction (key to household electricity durability)
All metals, plastics and glass follow thermal swelling and cooling。
The electricity in the home is the worst: hot and cold。
The fridge just turned off
The electrics that have just finished their meals are running cold water
The air conditioner will resume immediately。
Temperature changes in short periods of time, with internal parts warming coldly and deforming the fastest。
Correct use:
Turn off the air conditioner in three minutes
Thermal appliances are still cooling and cleaning
Household electricity life spans several more years。
5. Evaporation heat, cooling cooling (refrigerator, fan principle)
It's the same physical logic whether the refrigerator is cool or the fan is cool: evaporated heat。
The process by which the liquid becomes a gas takes a large amount of heat。
Refrigerants inside refrigerators continue to evaporate to heat and move internal heat out so that they can be cooled。
And in the summer the water cools and the wind cools, not the wind is cold
It's air flow that accelerates water evaporation and takes the skin heat。
Living goods:
In summer, the heat is not cool, the ground is sprayed and fans are opened, and the temperature is doubled。
6 and in-stream, serial split pressure (read all circuits at home)
Ordinary people don't know complicated circuits, they only remember the big white words:
Electrical is individually plugged in = connected, not affecting each other
Wires together = serial, voltage is not enough, it's easy to break
All the official booths in the house are connected
So you turn on the tv, you open the fridge, you don't interfere。
A lot of people are involved in their own messing around, wiping out lights, making a string
It's gonna be darkening, powerlessness, frequent jumps。
Home summary:
All large-power equipment must have a stand-alone plug and no chaining。
Final summary
Physics is never a book, but a common sense of life。
It's not like we're going to be able to understand the six underlying logics
You know how air conditioning works, refrigerators, circuits, cooks。
Use of domestic electricity in the future and no longer subject to sensory or blind operation。
It's more energy-efficient, safer, more household electricity
How many do you know
Do you normally use air conditioning to head up or down? The comment section says
