The present invention relates to a method of manufacturing an electrical resistor (1), particularly a low resistance current measuring resistor, in the following steps (S1-S4). a) supplying a plate-like substrate component (9) for the resistor (1); The substrate component (9) has a certain...
联系是德科技 登录 注册 China 日本 繁體中文 한국 Brasil Canada Deutschland France India Malaysia United Kingdom United States 更多… 确认 产品 了解 购买 支持 Home 解决方案 How to Make Resistance Measurements Get quote View application note ...
Resistors like this are much cheaper to make and are called carbon-film. Generally, wire-wound resistors are more precise and more stable at higher operating temperatures.Photo: Inside a wire-wound resistor. Break one in half, scratch away the paint, and you can clearly see the insulating ...
First of all, you need to choose the resistance value. To do that you useOhm’s law. One common example is tofind the resistor value you need for an LED. Next, you need to consider the power that the resistor needs to dissipate. Power dissipation in a resistor can be calculated with ...
A simple capacitor connected to a battery through a resistorAs soon as the connection is made, charge flows from the battery terminals, along the wire and onto the plates, positive charge on one plate, negative charge on the other.Why? The like-sign charges on each terminal want to get ...
The first way is to connect the resistor and capacitor blocks in whichever way you want and then group them inside a Subsystem. You then make the R, C parameters into MATLAB variables and create a masked subsystem out of the whole thing. This makes it so you can ...
A photo-resistor changes its resistance based on the amount of light that hits it. When a lot of light hits it, it has almost zero resistance -- it conducts electricity very well. When no light hits it, it has high resistance -- it conducts electricity poorly. In an extremely simple ...
A fuse is a resistor that can easily conduct current as long as the current is below a certain level. If the current increases above the acceptable level, the heat caused by the resistance burns the fuse, thereby cutting off the circuit. If the MOV doesn't stop the power surge, the ...
Cut it, strip the wires and hook in the battery and resistor as shown. (Most cheap phone cords contain only two wires, but if the one you buy happens to have four, then use the center two.) When two people pick up the phones together, they can talk to each other just fine. This...
value of the resistance is much greater than the internal resistance of the ammeter, the voltage divided by the ammeter is very small, then the voltage measured by the voltmeter is close to the voltage across the resistor, so the internal connection method is suitable for measuring large ...