what is the difference between straight polarity and reverse polarity?
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“Straight” and “reverse” polarity are common terms for “electrode-negative” and “electrode-positive” polarity. Welding currents with electrode-positive (reverse) polarity result in deeper penetration, while electrode-negative (straight) polarity has the benefit of faster melt-off and faster deposition rate.
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The difference between the polarized and non-polarized lights are given below. It has an electric field oscillating in all directions. Unpolarised light is incoherent in nature. The intensity of the polarized light depends on the nature of the light used.
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foo. reverse() actually reverses the elements in the container. reversed() doesn't actually reverse anything, it merely returns an object that can be used to iterate over the container's elements in reverse order. If that's what you need, it's often faster than actually reversing the elements.
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A polar molecule is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative. ... A dipole is any molecule with a positive end and a negative end, resulting from unequal distribution of electron density throughout the molecule.
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2 Answers. A polar bond is one where the charge distribution between the two atoms in the bond is unequal. A polar molecule is one where the charge distribution around the molecule is not symmetric. It results from having polar bonds and also a molecular structure where the bond polarities do not cancel.
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As verbs the difference between reverse and revert is that reverse is to turn something around such that it faces in the opposite direction while revert is (now rare) to turn back, or turn to the contrary; to reverse.
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The main difference between polarized and unpolarized light is that polarized light has electric fields oscillating in one direction, whereas unpolarized light has electric fields oscillating in all directions.
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But Can a 12-volt Battery Reverse Its Polarity? Yes, it can happen. If the battery cells are out of balance, some cells will discharge before the others. As it continues to discharge, they will start to reverse polarity.
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DC positive polarity allows for a high level of penetration into the steel, while DC negative polarity means less penetration but a higher deposition rate (used on thin sheet metal, for instance).
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The IGBT cannot conduct current in the reverse direction (from emitter to collector) even with a positive Vge applied to it, because it has a bipolar-type structure. ... However, the gate has no control over this reverse current flow; it is simply the forward biasing of the diode that allows it.
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Devices with three-prong grounded plugs are automatically polarized since there is only one way to insert the plugs into a wall outlet. ... It is not uncommon for DIYers to install wall outlets " backward" or to get the wiring backward when replacing an appliance plug.
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As nouns the difference between reversal and reversion is that reversal is the state of being reversed while reversion is the action of reverting something.
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Usually, to invert something means to turn it upside down. Less often, it also mean to turn something in the opposite position, order, or arrangement (including inside-out). ... To reverse something is to move or turn it in the opposite direction.
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So NH3 is more polar. ... Considering electronegativity differences, the bond moments of N-H bonds in ammonia are in the direction of lone pair of nitrogen. On the other hand for NF3, the N-F bond moments oppose to that of lone pair. Hence the former is more polar.
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Because AC current changes direction many times a second, you can't speak of "positive" and "negative" terminals. Instead, one of the wires is the "hot" wire, and the other is the "neutral" or "return" wire.
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Describe the difference between polar and nonpolar covalent bonds. The difference between polar and non-polar bonds is that a polar bond means the electrons are not equally shared, while the non-polar bonds are equally shared. ... An ionic bond is formed from the attraction of two oppositely charged ions.
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An RCD is not "polarity" sensitive. It merely detects any imbalance between the line and neutral currents. If the difference in the current between the two conductors exceeds a certain value ( usually 30mA) the device will trip.