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| What the f*ck a resistor does? | | Published by: anonym 2009-01-07 |
| | does a resistor limits voltage..or Apmeres?
if it limits voltage..then what limits amperes?
if it limits amperes..what limits voltage?
Given a fixed Voltage applied to a resistor, the higher it's value, the smaller the Current that will go through it.
To limit the voltage you would connect another resistor in Series with it.
The voltage across them will divide proportionally to their values.
For equal value Resistors the Voltage will be 1/2 of the total.
To do a Hydro equivalent: A hose of small diameter has more resistance than one with large diameter. When Pressure (Voltage) is applied to one end, Water will Flow (current). The larger the diameter, the higher the Flow. A Built-In Multi-Mode Stimuli Generator for Analogue and Mixed ::
mode also depends linearly on the frequency of the. switching clock (f. CK. ). Considering that the value of the. switched-capacitor resistor in the first
http://ieeexplore.ieee.org/iel4/5815/15504/00715435.pdf?arnumber=715435HOME |
A resistor limits the flow of current
A resistor LIMITS neither voltage nor amperes.
The voltage across a resistor is unlimited (except for power dissipation limitations) because you only have to increase the current through a given resistance to develop an increase in voltage across that same resistance.
The current through a resistor is unlimited (except for power dissipation limitations) because you only have to increase the voltage across a given resistance to cause an increase in current through that resistance.
The only thing that limits amperes through a resistor of given ohmic value is the applied voltage. The applied voltage may or may not equal the voltage developed as a result of the current through the resistor. If no other resistance is in series with the resistor in question then the developed voltage across the resistor in question is equal to the applied voltage.
Phys. Rev. E 64, 027102 (2001): Comte et al. - Propagation failure ::
This is probably due to the fact that the currentvoltage characteristic of the nonlinear resistors does not have a is modified. exactly a cubic shape,
http://link.aps.org/doi/10.1103/PhysRevE.64.027102HOME |
Installing Rizoma Zero-11s anything I should know? - SVRider Board::
3 postsLocation: I f*ck, I fight in SATX. Bikes: 07 Suzuki SV650s it's always good to have extra length. the set will have two resistor packs and one load box,
http://forum.svrider.com/showthread.php?p=1339605HOME |
The only thing that limits the developed voltage across a resistor of a given value is the current through that resistor. The current through the circuit of which the resistor in question is a part of is determined by the applied circuit voltage value and the total resistance of the circuit.
A resistor resists current flow but not enough to completely stop current flow. That is as long as a resistance is finite and a voltage is applied across it then a finite amount of current will flow through it.
Here is what the f*ck a resistor does. It allows you to use a single DC source voltage of high enough potential so that you can use a combination of resistors to divide the voltage down to satisfy several if not all the different voltage requirements of a paticular electronic device. It also has numerous other functions in the handling of ac signal voltages. Digg - How To Make An Amazing Glowing Ice Bulb::
The purpose of the resistor is to limit *current* flowing through the LED bloodninja: I spend my mana reserves to cast Mighty F*ck of the Beyondness.
http://digg.com/educational/How_To_Make_An_Amazing_Glowing_Ice_Bulb?FC=PRCK0HOME |
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(2/3) Formula symbols and definitions used: UE0 Fe ICprim ICsec CK f TRNT transformer RL K FS Load resistor Protected zone factor Safety factor FS = 2
http://www.scribd.com/doc/8690992/Machine-Protection-Setting-ExercisesHOME |
You may have heard of Ohm's law.
It states the relationship between voltage, current and resistance.
I'll repeat it here:
voltage = current x resistance
or current = voltage/resistance
or resistance = voltage/current
The assertion by another respondent that "A resistor LIMITS neither voltage nor amperes" is nonsense.
There are times when the purpose of a resistor is precisely to limit current - in series with an l.e.d. for instance.
it limits current (measured in amperes)
You need to change the source voltage some other way ie transformer
say your walking up a mountain, the more stuff u carry will make it harder for you to walk up the mountain. and visa versa. now apply that to Resistance. the most Resistance, harder for the current to pass.
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