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Why interference fringes are parallel in this experiment?
Let's think together for a moment. It won't hurt:If I were to ask you: "What is this man's name ?", you would naturally want tohave a look at the man I'm talking about.Similarly, and in just the same way as well, when you ask me "Why interferencefringes are parallel in this experiment ?", would you not expect that I naturallywant to have a look at the experiment ? And yet you give me not a glance, norany word that describes the experiment ? Oh how cold and cruel !
Why are household appliances connected in parallel?
You want every electrical device in the house to have equal access to the 117 volt utility supply at thewall outlets. That means that every device in the house must be connected directly to the pair of wiresentering the house from the pole ... which is a pretty good definition of a "parallel" configuration.Another reason, purely pragmatic, for not wiring household devices in series: Just like the old-fashionedtechnique for constructing strings of Christmas-tree lights ... if household devices were connected in series,then every device in the house would have to be switched ON, otherwise none of them would work !If any single device were switched off, then there would be no current path through the series string.And here's another little thing to consider: In a series string, each individual resistance in the stringhas an influence on the current through the string. As a practical matter, that means that if everythingin the house were connected in series, then as the toaster heated up and its resistance increased, all thelights in the house would dim, and the refrigerator would run a little slower. Definitely inconvenient.
What activities would you want less friction?
Activities like driving, exercising, and collaborating with others would benefit from less friction.
Should a screen should be placed parallel or perpendicular to the plane of the convex lens?
If you want to catch the image formed by the lens, then the screen will have to be perpendicular to the axis of the lens. That's kind of parallel to the lens ... the lens doesn't actually have any 'plane' since its surfaces are curved.
How do you scaling quantities?
To scale quantities proportionally, you simply multiply or divide the quantity by the scaling factor. For example, if you want to double a quantity, you would multiply it by 2. If you want to scale a quantity by a different factor, you would use that factor in the multiplication or division process accordingly.
What ohm should the speaker be if i want to achieve a 2 ohm load from 4 speakers?
Four 8 ohm speakers wired in parallel would give an effective 2 ohm load.
What wattage of heaters would you use if 2 are wired in series with 120 vac to equal same as 2 heaters of 210 wattage each wired in parallel?
-- Two loads ... each of which dissipates 210 watts on a 120V supply ...when wired in parallel, dissipate 420 watts.-- Two others in series also want to dissipate 420 watts, so each of thosedissipates 210 watts on a 60V supply.Power dissipated is proportional to the square of the voltage, so on a 120V supply,each of these would dissipate 840 watts .
Is resistance box connected in series or parallel?
It depends on what you want to accomplish. If you want to decrease the resistance in a circuit, you would place the box in parallel to some other resistor. If you want to increase the resistance in a circuit, you would place the box in series.
What ohm load will 4 12 in dual 2 ohm play at?
There are a lot of possibilities here, especially since your question is worded exactly right.I'm taking it you have 4 12" speakers, each of which have Dual Voice Coils (2 Ohms each). You want to wire them together and see what ohm load you have.Ok, there's multiple ways to wire this up. Series, Parallel, and Series/Parallel combo.Wiring these speakers in series can give you either a 4 ohm load, or a 16 ohm load. 4 ohms if each speaker by itself (having DVC) is wired in parallel and 16 ohms if each speaker by itself is wired in series.Wiring these speakers in parallel can give you either a .25 ohm load, or a 1 ohm load. Again .25 ohms if each speaker by itself (having DVC) is wired in parallel and 1 ohms if each speaker by itself is wired in series.Wiring these in a series/parallel configuration can give you tons of different wiring options and ohm loads. In your case .75, 1, 3.2, 4 ohm loads.So your best option would to be wire your speakers up in series, with each speaker wired in parallel to itself. This way you'll get a 4 ohm load, if done properly. Make sure your amp can run a 4 ohm load too.
Why would some one want to be a School Board Trustee?
Hopefully they want to be a school board trustee because they want to better their children's education.
Can a student bring their baby to school?
No o_oI mean...who would want to bring them to school?
Will the sheriffs take my son to school when he refuses to go?
Why would you want to, if he doesn't want to?
Did the founding fathers want to prevent prayer in schools?
Not exactly, they would want people to be able to pray in school, but this country was founded on religious freedom and they would want all religions to be able to pray in school.
Do kids want teachers in school?
Me as a kid, I would say NO!
Can you bring a fake knife to school?
Probably not, and why would you want to?
How would you write school-esque in Spanish?
¿What do you want to say?
Can you run a single 2ohm dual voice coil sub and a single 4ohm DVC sub off a single mono amp?
It depends on the amplifier. If you absolutely want to leave the current subwoofer configuration as 2ohm and 4ohm, the resultant impedance seen by the amplifier is as follows: Both wired In-Series: 2ohm + 4ohm = 6 ohms Both wired In-Parallel: 1 / ( (1/2) + (1/4) ) = 1.3 ohms The Parallel configuration can probably be only run by a 1ohm-stable amplifier whereas the 6ohm Series configuration can be run by any amplifier that is able to drive anything under 6 ohms. Also if ran in the Parallel configuration, this mismatch in driver impedance may also cause the 2ohm subwoofer to receive more power, resulting in a different sound characteristics than the 4ohm subwoofer. Usually with DVC subwoofers you want to match the impedance between drivers. If possible, configure each subwoofer to 4ohms and connect them in Parallel. This will produce a total impedance of 2 ohms (you need a 2ohm-stable amplifier). If your DVC subwoofers only support 2ohms and 8ohms do either: Both wired In-Series - configure subwoofers to 2ohms: 2ohms + 2ohms = 4ohms Both wired In-Parallel - configure subwoofers to 8ohms: 1 / ( (1/8) + (1+8) ) = 4ohms.
