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What is the difference between hooking up a 1.5v batteries in parallel and in series?
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∙ 11y ago
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∙ 11y ago
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Why are capacitors not used to store electricity?
Short Answer:If capacitor technology permitted capacitors to be a large scale source of energy, it would transform the way energy is produced and used. Capacitors are not used because they can not conveniently store large quantities of energy. Batteries, as weak and heavy and inefficient as they are, remain far more practical at this time. Hundreds of millions of dollars are being invested in various battery and capacitor research areas to mitigate this significant technological barrier. The future technology is currently expected to be "super capacitors" and the goal is that these will viable as a source/supply/store of electrical energy.Long Answer:Capacitors are, of course, used as a source of electricity billions of times every day in millions of electronic devices. (Every time a capacitor is charged, it stores energy and every time it discharges it provides electrical energy.) What the real question is has to do with the quantity of electrical energy they can store and the relative benefits to batteries.Lets us address some of the issues of capacitors and batteries and energy.You don't make energy with capacitors and batteries. Capacitors, like batteries, are capable of storing energy, not creating it or generating it from another source. Once one has some source (e.g. hydro electric, solar panel, peddling a stationary bicycle) one can use the source to store energy in a battery or capacitor. After that, they become the source for some other energy use.Batteries and capacitors are DC, i.e. direct current devices. Most electrical energy use is from AC devices. Fortunately, many energy sources, are either naturally, e.g. solar power, or easily adapted to supply DC for storage applications. But, DC is often converted to AC by an inverter, to supply power to a device and there is energy loss in the process.There are natural ranges to voltage and current for various technologies. Batteries naturally operate at voltage levels determined by chemistry, i.e. a few volts. Getting large voltages from batteries requires a design where batteries are connected in series; not a problem to get 12 volts, but if one needed 12,000 volts, that becomes a design issue. Capacitors easily achieve thousand or tens of thousands of volts because this is electrostatics, not chemistry.Batteries are slow (not withstanding the sparks one gets hooking up the car battery) and capacitors are fast. Depending on the battery, times range from minutes to hours for a charge and discharge cycle. Capacitors charge and discharge is a fraction of a second.Safety is an issue. Since capacitors tend to have high voltages and can discharge quickly, damage due to heating is easier with capacitors than batteries. More importantly, the danger of electrical shock with potentially fatal results exists with high voltage and high energy and capacitors are widely known to be able to provide a serious electrical shock.The main issue is energy density. Oil or gasoline contains just over 40 million Joules of energy per kilogram (or 30 million Joules per liter). Good batteries hold under 2 million Joules per kilogram. Lead acid batteries are ten times worse. The standard capacitor one can easily purchase holds a tiny amount of energy, but a Joule of energy at 100 volts is not difficult to obtain. There is a huge range, but only exotic capacitors can approach a tenth of the energy density of a lead acid battery.Batteries wear out and capacitors do not. The typical computer batter can be recharged about a thousand times, then you buy a new one. Capacitors can be charged billions of times with no apparent degradation. (Batteries have a fixed maximum voltage and capacitors have a maximum as well called the breakdown voltage. The breakdown voltage results in a charge leak and is the typical avenue of failure. It is normal for capacitors to last for decades.)Super capacitors are evolving. It is hoped that super capacitors can far exceed batteries in electrical energy storage density. Currently, they are many times better than traditional capacitors but barely even as good as a lead acid battery when compared to batteries. There are many candidate types of super capacitors. This is a new technology (part of that 100 million dollar investment referenced above). These are more like capacitors than batteries, but they find ways to store charge other than merely sitting on a conducting surface. Unlike simple metal capacitors, super capacitors of some types do degrade with operation and so have a limited lifetime. There are many such technologies and some are more battery like than capacitor like and so there is no easy term other than "super capacitor."
What is the primary source of energy used in bowling?
inside of a bowling ball its not just solid rock (or whatever theyre made of) it actually has differently shaped things inside called reactors which make the ball spin evenly and effectively. when you throw the ball it slides on the oil first, then towards the end of the alley is starts spinning and hooking because of the friction due to less oil. so the energy mostly comes from you, but those are the reasons why it does the things it does once it leaves your fingertips.
Does radiometric dating produce exact results why or why not?
Yes, sufficient care is taken in the selection of the original sample. Similar care is needed in the selection of the dating series (K-Ar, Rb-Sr, etc), for not all minerals are equally suitable for dating. The rock must not have suffered any metamorphism or other change, which could re-distribute the elements in a new matrix. The care in the laboratory is of a 'clean room' standard, and techniques must exclude any possibility of contamination due to handling. e.g. borosilicate glass must be used rather than the common lime soda glass. With care dating using K/Ar may have an accuracy of a few percent. Have a crack at K-Ar Dating in a reference such as wikipedia. This will give an idea of the sophistication of the method and its background required.
Hooking up three 17amp batteries two series one parallel will you get 24 volts at34 amp?
NO! Do not hook it up this way!Two batteries in series will equal 24 volts and 17 ampsVoltage in series add and current stays the sameSeries circuit: Etotal = E1 + E2 Itotal = I1 = I2Two batteries in parallel will equal 12 volts and 34 ampsVoltage in parallel stays the same and current addsParallel circuit: Etotal = E1 = E2 Itotal = I1 + I2To get the 24 volts and 34 amps you would need a combination of the two:Two batteries in series that are parallel with two more batteries that are in series with each otherBy putting 24 volts in parallel with a 12 volt battery you would have a difference of potential of 12 volts. Same as connecting a wire from the positive to the negative terminal (12 volts difference), you would see sparks and maybe an explosion.
What is the difference from hooking-up and a relationship?
Hooking up is just physical and a relationship is emotional and physical.
When hooking 2 12 volt batteries together which poles do you use to connect the 2 batteries to what ever you are using to kept a 12 volt system?
You need to keep the batteries in parallel. The positive poles of the battery are to be connected together. Also the negative poles need to be connected together. This will maintain the voltage at 12 volts and also give you double the endurance when discharging the batteries when connected to a load.
What is parallel car battery wiring?
parallel battery wiring is hooking 2 batteries together in parallel series give you double the volts Clarification: Parallel battery wiring is where two or more batteries are hooked together in parallel (i.e. both/all positive battery terminals are wiredtogether, and both/all negative battery terminals are wired together. This results in a battery voltage which is the same as that of the individual batteries (typically 12V in most cars). The reason for doing this is to boost battery capacity- two identical batteries wired in parallel give twice the electical storage capacity of one battery. No increase in voltage is obtained with parallel wiring. Series wiring is where two or more batteries are hooked together in series (i.e. positive terminal of the first battery is hooked to the negative terminal of the second battery). The resulting voltage is the sum of the individual battery voltages - if two 12V batteries are hooked together, the resulting voltage will be 24V. No increase of storage capacity is obtained with series wiring.
What is the difference between hooking and tripping in hockey?
Hooking in the NHL is using you stick to impede the progress or movement of offensive player, (usually the play with the puck) by getting your stick around the waist and/or parallel to with the hands and wrists of the puck carrier. If caught by the referee, the infraction is usually a 2 minute minor penalty.
How to stop hooking a golf ball?
Try to slow down when you turn your hands over through impact, this will prevent hooking. Also make sure you are lined up straight with your shoulders parallel to it.
What are the top causes of exploding car batteries?
Hooking the battery cables up incorrectly. Reversing the polarity can cause the battery to explode.
What is the difference between hooking up or making out?
Making out is basically a kissing session. Hooking up, on the other hand, generally referrs to having sex with a fairly random person or a friend, rather than a boyfriend.
How are electric wheelchairs be charged?
Electrical wheelchairs are charged simply by charging the wheelchairs batteries. This can be done by hooking a charger up to the wheelchair and then plugging it into a wall outlet.
If Batteries hooked up in series put out the sum of all the batteries does hooking up generators do the same?
Do NOT "Series" Connect GeneratorsNO, their outputs are NOT summed, AND worse, there will be hazardous conditions created, AND this practice will also damage one or more of the gen sets.
What is the difference between making out and hooking up?
Making out typically involves kissing and physical affection, while hooking up can refer to a range of sexual activities beyond just kissing, such as sexual intercourse or oral sex. Making out is generally more focused on kissing and intimacy, while hooking up implies a more casual sexual encounter.
What is hooking in hockey?
Hooking is when a player pulls the opponent back with their stick by hooking it around them. However, if the opponent falls over, it may be considered tripping.
