Category: Physics

What are the main components of the high pressure side of a refrigeration system? The 6 Main Components of a Refrigeration System Thermostatic Expansion Valve (TXV) Before the evaporator, this is located at the end of the liquid line. Evaporator. The sole purpose of the evaporator is to remove the unwanted heat from the product […]

Why are there 2 switches in my room? It’s possible that the second switch goes to a nearby receptacle (which may have been designed that way with the idea that a lamp would be plugged in there) or, alternatively, it is for a ceiling fan that may not be present (the wiring is roughed into […]

Is MgBr2 positive or negative? negative ion. Magnesium bromide is an ionic compound with the chemical formula MgBr2. There are two bromide ions for every magnesium ion. Bromide has a 2+ charge. What kind of bonding is present in the compound K2O? metal + nonmetal → ionic bond The type of bonding that occurs in […]

How do you test a stray voltage? How to Test for Stray Voltage Purchase or borrow a voltage meter. Turn the selector to “120 AC Voltage.” Insert the tip of the black probe into the third or “grounding” hole in an electrical outlet. Insert the metal tip of the red probe into the aquarium water. […]

What happens when balls collide? Basically the player whose ball is in motion will absorb the penalty when collision between balls takes place in the putting green. It is going to be a 2-stroke penalty against the golfer whose stroke caused the collision. The golfer whose ball was at rest when struck will not be […]

What state has the most oceanfront? Alaska Which US state has the most lakes? What state has most water? Which state has the most rivers? Does Georgia have any natural lakes? North Georgia contains many national forests, rivers and lakes. Many of North Georgia’s lakes are natural but some are man-made. What is the prettiest […]

Which is more dense Diet Coke or Coke? For example, a can of Coke Classic contains 39 grams of sugar and a can of Diet Coke contains 0.1 grams of aspartame. It takes 390 times more sugar to make a drink taste as sweet as a drink sweetened with aspartame. This additional sugar makes the […]

What happens to the resistance of a light bulb as the filament gets brighter? A filament lamp is a common type of light bulb. It contains a thin coil of wire called the filament. This heats up when an electric current passes through it, and produces light as a result. The resistance of a lamp […]

What is the difference between Adam Smith and Karl Marx? Their main difference is that Smith largely looks backward, sees that things are better than they were, and offers various reforms to improve society. Marx looks largely to the future, thinks that the future could be so much better than the present, and argues for […]

How do national parks protect the environment? National parks contain forested areas that not only protect water sources, they also help stabilize the surrounding land. This can save lives and infrastructure by preventing landslides, avalanches and erosion. These areas also reduce floods by keeping natural river basins intact and preserving wetlands. What are alternate ways […]