is positive hot or neutral?
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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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typically, the positive wire is red and the ground, or negative, is black. However, most speaker wires don't do colors. Good news is, with speakers it doesn't really matter which one you choose as your positive and which as your negative, just so long as you are consistent.
1109212
The large, 20,000 µF electrolytic unit shown in the upright position has its positive (+) terminal labeled with a “plus” mark. Ceramic, mylar, plastic film, and air capacitors do not have polarity markings, because those types are nonpolarized (they are not polarity sensitive).
960324
A positive (the direction you are facing) and a negative (the direction you are moving) result in a negative move. Hence positive × negative = negative. Finally, back at zero again, face in the negative direction.
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Note that the absolute entropies of the elements are not zero and the entropy change for the reaction in which a compound is formed from the element is also not zero. 013 10.0points All entropies of fusion are negative. ... Entropy will increase so Δ S fus will be positive.
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The live wire of domestic circuits is usually red and is at high voltage. The neutral wire is black and has voltage close to that of the ground. The potential difference between these two wires in India is about 220 V.
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Enthalpy change for a reaction is independent of the number of ways a product can be obtained, if the initial and final conditions are the same. Negative enthalpy change for a reaction indicates exothermic process, while positive enthalpy change corresponds to endothermic process.
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In case of DC, Positive means higher voltage and negative means lower voltage, current flows from higher potential to lower potential. positive side has deficiency of electrons while the negative side has excess of electrons. actually current is the flow of electrons which flows from negative to positive terminal.
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Positive numbers are written with no sign or a ' ' sign in front of them and they are counted up from zero to the right on a number line. Any number below zero is a negative number. Negative numbers are always written with a ' ' sign in front of them and they are counted down from zero to the left on a number line.
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Black means hot, white signifies neutral, and green indicates ground. However, if you need to rewire a light switch or a plug socket, you may occasionally come across two black wires. It's essential that you determine which black wire is hot before proceeding.
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There are also positive and negative cables in the jumper cable set. The red one is positive (+), the black one is negative (-).
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So, addition of an electron to the neutral atom requires a large amount of energy. As a result, the EGE of noble gases is positive.
25108
The heat (or enthalpy) of neutralization (ΔH) is the heat evolved when an acid and a base react to form a salt plus water. Q in the above equation is -ΔH and is expressed in kJ/mol of water. Neutralization reactions are generally exothermic and thus ΔH is negative.
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One is marked positive (+), the other negative (-). There are also positive and negative cables in the jumper cable set. The red one is positive (+), the black one is negative (-). Never connect the red cable to the negative battery terminal or a vehicle with a dead battery.
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Technically there is no difference between positive and negative G's, they just act in the opposite vector direction from each other relative to an object. As such, whether a G-force is positive or negative is entirely determined by the object upon which the forces are acting.
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In context|physics|lang=en terms the difference between neutral and negative. is that neutral is (physics) neither positive nor negative; possessing no charge or equivalent positive and negative charge such that there is no imbalance while negative is (physics) of electrical charge of an electron and related particles.
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Any charged object - whether positively charged or negatively charged - will have an attractive interaction with a neutral object. Positively charged objects and neutral objects attract each other; and negatively charged objects and neutral objects attract each other.