Adjustable Resistors

I know that the tone dial changes the sound. I don't need that answer. I want to know the entire process from start to finish on an electrical level...

Typically used to dim lights, etc.

I want to purchase the voltage adjustable resistors for 12V . The problem is I dont know what its specifically called. Its the onles like on the earph...

I have built a variable pulse generator using an NE555 timer, with a 100K pot, a 1K resistor, and a .01Uf Cap. I need to make the circuit have an adj...

This innovative project but cheap and easy is composed of main components of electronic materials. One of them were resistor and capacitor. a LED w/ a...

a. Rheostat b. Thermistor c. Potentiometer d. Photoresistor

I am doing AS level physics and I really don't understand what a potential divider and a variable resistor are. Any help would be really appreciated. ...

A series RCL circuit is at resonance and contains a variable resistor that is set to 186 W. The power delivered to the circuit is 2.63 W. Assuming tha...

im measuring light intensity using an light dependant resistor in a potential divider circuit with a variable resistor. i dont no what the v.resistor ...

How can i use a variable resistor, a battery, an ammeter and a voltmeter to calculate the resisitivity of a wire? I need to ensure i use a large ra...

What does variable resistor and variable regulator means? I know what resistor and 5V/12V regulator do. But what does variable resistor and regulator...

How could I create a variable resistor of graphite that could vary the intensity of an LED when connected in a circuit?

is there a potentiometer/variable resistor that can resist 10,000 volts or more? if there is, where can i find it?

I have a project in mind that requires the use of several potentiometers as angle gauges. I need a potentiometer that will go from the 5V power suppl...

I have a 12V, 800mA DC Adepter. I want to use it as a variable voltage supplier, then how can a potentiometer be use for varying that 12V? A simple ap...

Hi! I'm trying to build a constant voltage variable high amperage circuit. I know that you can use a silicon controlled rectifier in inverse parallel ...

I am looking to make a speed controller that is controlled by a servo. Is there any thing similar to a potentiometer. The motors I will be using range...

Hi, for my physics AS coursework we had to calibrate a rotary potentiometer to degrees of rotation and voltage. Now it says to produce a report. This ...

if i want to lower down my voltage for example ac 240volt to dc 12 volt and i just want to use the diode & resistor. how do i Calculate the value ...

My input voltage is 18 Volts (Two 9 volt batteries), the required voltage is 12 Volts at an amperage of 0.16. What level resistor should i use to cut ...

The emf and the internal resistance of battery are shown ( figure with point a on the left leading to the 95v battery and then a 5 ohm resistor then p...

I know how to tell how many ohms a resistor is but I don't know which resistor to use for different voltages. Is there an equation for this??? I know ...

A solenoid and a resistor are connected in series to a 10V power supply and the switch turned on. At a particular time later, the voltage across the ...

A 3-Ω and a 1.5-Ω resistor are wired in parallel and the combination is wired in series to a 4-Ω resistor and a 10-V emf device. The potential dif...

If resistors are connected in series & parallel what will be the power? If resistors are connected in series & parallel what will be the Curr...

If you have 3 resistors in series and each has a power rating of 5 watts does that mean 15watts altogether of still 5 watts altogether?

I have a power 800a2 that needs some resistors replaced but I don't remember what kind they are. I think I was told PNP or something like that, but I...

The 8 resistor in the figure below is dissipating 38 W of power. How much power are the other two resistors dissipating? picture below: http:/...

is there anyway to make a power resistor for motorcycle im probley gonna get a r6 fi international sells them but there to expensive

Three identical resistors are connected in series. When a certain potential difference is applied across the combination, the total power dissipated i...

I am looking for historical information regarding surface mount resistors and also capacitors and inductors. In particular I would like to know when t...

No value code on the smd resistor. I got this off value off of the schematic.

MLCC's (Yageo),Big sizes MLCC's etc can be sourced through www.ic-inventory.com? are they do help us? 0422 3298869

I only need 3 of them and don't want to buy 500. I need the 1206 package. Or maybe someone could send me one 1 M 1/8 or 1/4 W resistor. No, radio s...

Please enumerate at least 10 color code combinations of carbon resistors. Thank you ^^ I need color code *COMBINATIONS*(Ex: yellow-violet-red-gold) o...

I need to use SMR's rather than the color resistors w. leads.(for compactness purpose) I was wondering if they have the same ohm rating and every othe...

please!!! Urgent. Kung Pisay po kayo, please help!

more detail please?

My question is that why the colour code is devised to display/express the numerical values of the carbon resistors? I mean, why simple numbers such as...

I need to lower the speed of the motor, and have lots of different types of resistors, and know the color codes. I'm a bit of a electronics newbie,...

I have a power 800a2 that needs some resistors replaced but I don't remember what kind they are. I think I was told PNP or something like that, but I...

basic idea aboiut resistors

various types of them please, also any special characteristics eg. polarised.... and so on and so forth.

in physics we had to add a resistor to a circuit and i have no idea why-.- i don't want to get behind, but any explanations, anyone? i googled it and ...

Four 20 Ω resistors are connected in parallel across a 30 V ideal battery. What is the current through the battery?

I recently purchased some after market LED bulbs for my car's rear turn signals. They work fine, but now the flashers are flashing much quicker. I und...

i have a neon light. i am planning on soldering resistors on the end of each wire and then hooking it up to my stereo so it flashes with the music. ...

Any help would be absolutely awesome, my exam is tomorrow and I really need to pass! Two resistors with values of 6.0 and 12 are connected in para...

This question is regarding the current divider rule, calculating the current in each branch. Just imagine a simple parallel circuit with 2 resistors, ...

Kirchoff's law says at any junction the sum of currents directed in equals sum of currents directed away. So as the current breaks more and more down...

3 resistors of 4, 6, and 10 ohms are connected in parallel. If the combination is connected in series with a 12 V battery and a 2 ohm resistor, what ...

I have 2 4ohm resistors and I need the total resistance from them. How do I do that?

just wondering if anyone could explain to me, conceptually rather than mathematically, why the total resistance for resistors in parallel is smaller t...