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The B indicates that the conductor insulation is rated at 90 degrees C.

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What does BY stand for in the name of the diode BY127?

The first letter B indicates what the diode is made of, i.e. B stands for Silicon, hence it is a Silicon diode in this case (it could have been a Germanium diode if the first letter was A instead of B). And the second letter, Y in this case stands for the function of the diode, i.e. Rectifier (As these diodes are often used in rectifier circuits). Other second alphabets could be A, B, or Z which stand for separate functions (which I don't remember at the moment).


The old welding machines used electromagnetic winding to step up the current for welding rods. What is the new principle inside the welding machines?

The new principal inside welding machines is based on metal-arc welding, whereas the older welding machines used electromagnetic winding to increase the current in welding rods.


What are the disadvantage of steel conduit?

main disadvantage of Steel conduit A. Anternal condensation result insulation damage B. not with stand especially mechanical accident C. complete protection against Fire hazard D. it can be used as circuit protective conduct The main advantage of voltage transformer A. To get neutral wire B. To produce sufficient illumination. C. To gain extra voltage


Design 2-bit comparator using gates?

2 bit comparator = 1bit magnitude comparator +1 bit magnitude comparator if A>B =A(~B)(B bar); if A<B = ~A.B; A==B = AB + (~A)(~B); block of instruction shown above is for 1 bit comparator means if A>B ==true then High bit is set on (A>B) output. if A<B true then high bit is set on (A==B) output, If we cascade two 1 bit comparator then we can design 2-bit comparator...


Why does the soldering stand have a wet sponge in it?

The soldering stand has a wet sponge on it so you can wipe off and clean the soldering iron!