Elite QandA


How can voltage be positive or negative?


  1. How can voltage be positive or negative?

How can voltage be positive or negative?

The magnitude of a voltage can be either positive or negative. If the voltage magnitude is positive, the voltage has the same polarity as shown on the diagram. If the voltage magnitude is negative, the voltage polarity is the opposite to that shown on the diagram.



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Which of the following are telltale signs of arson?

Some telltale signs of arson include evidence of separate and unconnected fires, the use of “streamers” to spread the fire from one area to another, and evidence of severe burning found on the floor as opposed to the ceiling of a structure, due to a flammable liquid.


Does heat kill salmonella in eggs?

Does cooking eggs kill Salmonella bacteria? Yes, if you cook the eggs until both the white and yolk are solid. If you are cooking a dish containing eggs, make sure you cook it until the food is hot all the way through. It is best to avoid any uncooked foods or dishes that contain raw egg.


Can a deer hang in 50 degree weather?

Not long. The enzymatic action that occurs when "aging" meat happens in a tightly controlled temperature range, typically about 33-42 degrees. Any colder and the meat freezes which halts the enzymes from working. Any warmer and the meat will spoil.




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