How Many ERRORS Can You Fit in a Video! 20:40 How Right IS Veritasium! Don't Electrons Push Each Other 24:29 How Safe Is the SHOWER HEAD OF DOOM! 10:55 How to Make a Shunt Current Sense Resistor 11:18 How to Replace a Power Outlet 05:02 How to Save TONS of Water, to...
Step 2: Connect a Resistor and Supply to Capacitor Now connect a resistor with the capacitor in series, having a resistance value ranging between 5 and 10 K ohms. Now connect the supply source with the capacitor, and it should be less than the maximum voltage capacity of the capacitor and ...
(2)As shown in Figure b, the ammeter A1is connected in parallel with thefixed value resistorR0and then in series with the ammeterA2.According toI1r1=(I2-I1)R0, the internal resistancer1of A1is obtained (this method is also called the ammeter difference method to measure the ammeter Inte...
You need to connect an LED and a resistor in series -- something that is easy to do on your breadboard. You must use the resistor or the LED will burn out immediately. A good value for the resistor is 330 ohms, although anything between 200 and 500 ohms will work fine. LEDs, being...
the resistor at the positive end of the string or the negative end, the position doesn't matter because the resistor just needs to be in line with the series, you may even include some wher in between the LED series.Using the earler we find the resistor for each LED string to be: ...
Option 1: Change the resistor value The brightness of an LED depends on the current through it. A resistor in series with the LED sets the current. In the circuit below, you can see the basic setup for controlling an LED: Apotentiometeris a variable resistor that you can use to change ...
They cost less than 1 cent each, but humble resistors are an essential tool no matter what electronics you are building. In this reference guide we look at using them in projects, and how to identify the correct resistor for your project.
We need to step down the 12V battery’s voltage to supply the load with 5V. So, we can place a 2.8-ohm resistor in series with the load to provide the required voltage. Calculate the Efficiency of a DC-DC Converter We can calculate the efficiency of the circuit as follows: ...
Easy! The base-to-emitter part of a transistor works like adiode. A diode has aforward voltagethat it “grabs” from the available voltage. If you add a resistor in series, the rest of the voltage drops across the resistor. So you’ll automatically get around 0.7V by adding a resistor...
Jestine Yong’s How to Find a Burnt Resistor Value will teach you a secret method to find out the value of a damaged and unrecognizable resistor so you will never have to turn down a repair request just because you cannot figure out a single number that will let you know which replacement...