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Does the neon power supply for those beer signs in bars output high voltage AC or DC?
Wiki User
∙ 12y ago
High Voltage AC.
Wiki User
∙ 12y ago
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How are the plus and minus voltage signs determined for resistors?
Resistors have no polarity. The voltage across a resistor is determined by the direction of current flowing through that resistor (and vice versa).
How do you know if a transformer is a step up transformer?
You will most likely see a 'step-up' transformer on neon signs. The next time you're at a restaurant or bar, look at their neon sign. You'll see a black box (4" x 4" x 6"w) connected to the sign (usually). This is the transformer, and it takes 120 volts AC and steps it up to 7500 to 10,000 volts AC. This excites the neon gas and causes it to glow.AnswerA step-up transformer transforms voltage to a higher level. Like 120 volts to 277 volts.AnswerIt is type of transformer which is used to step up the voltage from low to high value in order to make it applicable for high rated appliances.Not only for high rated appliances but also for transmission in power distribution systems. It is critical in this role. Power distribution systems depend heavily on step-up transformers to generate the high voltages needed for more efficient long-distance power distribution. (And yes, there are step-down transformers at the other end to make the voltages more "user friendly" and less dangerous.)
Can kirchoff's voltage law be used to determine voltage drop?
Yes. Kirchoff's Voltage Law states that the signed sum of the voltage drops going around a series circuit is zero. Thus, if you know all but one, you can figure it out. You simply add what you know up, and what is left is the last drop. Don't forget to be consistent in your use of signs. If, for instance, you show a voltage or current source as a voltage rise, then it must be considered to be a negative voltage drop. Or vice versa, as the case may be.
How do you calculate rms current?
Power is determined from an AC voltage measured in volts RMS and an AC amperage measured in amps RMS, but there is really no such thing as "RMS power". People are using the term "RMS power", but that is not correct. it is actually "average power".Why there is no such thing as 'RMS watts' or 'watts RMS' and never has been:http://www.hifi-writer.com/he/misc/rmspower.htm
What is the relationship between power and current flowing?
Strictly speaking, it's energy flow that has direction -the term 'power' merely describes the rate at which that energy is flowing. Having said that, however, the term 'power flow' is indeed used, but it must be understood that the term is really describing the 'rate at which energy is flowing'. There is no direct relationship between the direction of current and the direction of 'power'. For example, an alternating current is continually changing direction, while the resulting power flow acts continuously in the same direction. The reason for this is that current flow direction cannot be taken in isolation, as it must be considered together with the direction of the potential difference that is causing that current to flow. If we allocate positive and negative symbols to specify the direction of potential difference and current, where (for example) 'positive' defines a clockwise direction around the circuit, then the product of the two positive signs result in a positive direction for power flow direction. If we now reverse the direction of the potential difference and the current, their signs both become negative, and the product of two negatives is a positive -indicating that the power does not reverse direction, but continues in the same direction.
What are all the signs and their meanings?
There are an endless supply of 'signs' so the question is not specific enough to answer.
What are the signs of a bad ignition switch?
Failure to turn the starter motor. Flickering lights, especially when you touch the key. Intermittent power supply to the rest of the car.
When was Signs of Infinite Power created?
Signs of Infinite Power was created in 2009.
Why during measurement the measured voltage and currents have negative sign?
Because of the polarity of the circuit. The signs of measured current and voltage depends on the direction of the current and voltage.
What are the signs of bad voltage regulator on 1999 cougar?
It is built into your alternator
What is the quantity of output of this equation The numbers are not filled and you have to answer the numbers for the dollar signs and to do this you have to use the quantity of output formula.$$$10?
The answer is the quantity of the two numbers
How do you find out the power supply voltage from my wall outlet?
If you're in North America, and you're using a standard PowerPoint (ie. a normal outlet - two vertical bars with a round pin beneath or above), then you've almost certainly got 110 to 125 Volts AC. If you're in Europe or many places elsewhere - like Australia, for example, then it's possible that you've got 220 to 240 Volts AC. Using a voltmeter, you can measure the voltage between the pins to determine exactly what voltage is provided. I'd get an electrician or someone technical to do this for you - the power in the electrical outlet can be DEADLY. Do not attempt this unless you're qualified to do so!
What are the symptoms of a faulty voltage regulator?
Unpredictable engine performance and pulsating lights are some of the signs of a faulty voltage regulator. A dead battery is also a symptom of a faulty voltage regulator.
What are signs that you have a bad alternator or that its about to go out?
Bearing squeel? Use a voltmeter to check alternator output. A fully charged battery should read approx. 12.8 volts without engine running With engine running voltage should read approx. 13.8-14.2
Where can a person find a large supply of help wanted signs for sale?
Some large supply of help wanted signs can be found online at the Regional Help Wanted website and the Employment Spot website. Both website contain a lot of help wanted signs for sale.
How are the plus and minus voltage signs determined for resistors?
Resistors have no polarity. The voltage across a resistor is determined by the direction of current flowing through that resistor (and vice versa).
How do you know if a transformer is a step up transformer?
You will most likely see a 'step-up' transformer on neon signs. The next time you're at a restaurant or bar, look at their neon sign. You'll see a black box (4" x 4" x 6"w) connected to the sign (usually). This is the transformer, and it takes 120 volts AC and steps it up to 7500 to 10,000 volts AC. This excites the neon gas and causes it to glow.AnswerA step-up transformer transforms voltage to a higher level. Like 120 volts to 277 volts.AnswerIt is type of transformer which is used to step up the voltage from low to high value in order to make it applicable for high rated appliances.Not only for high rated appliances but also for transmission in power distribution systems. It is critical in this role. Power distribution systems depend heavily on step-up transformers to generate the high voltages needed for more efficient long-distance power distribution. (And yes, there are step-down transformers at the other end to make the voltages more "user friendly" and less dangerous.)
