Resistors are passive electrical components with two terminals. They implement electrical resistance measured with Ohms [Ω]. Adding resistors to your circuit reduces the current flow and lowers voltage levels. There are two ways to present the electronic symbol of a resistor on a schematic diagram:
4k7 means that the resistance of those resistors is equal 4.7k ohm (writing the letter K in the middle makes the notation more clear, especially when copied and printed again, so that you don’t have to guess whether it was 4.7k or 47k). Another thing that makes it easier to distinguish 4k7 resistors from other ones, is its own, specific color code. For 4k7 ohm resistor, it would be the one shown in the following picture:
4k7 resistors are commonly used in many homemade devices such as thermometers.
4k7 means that the resistance of those resistors is equal 4.7k ohm (writing the letter K in the middle makes the notation more clear, especially when copied and printed again, so that you don’t have to guess whether it was 4.7k or 47k). Another thing that makes it easier to distinguish 4k7 resistors from other ones, is its own, specific color code. For 4k7 ohm resistor, it would be the one shown in the following picture:
4k7 resistors are commonly used in many homemade devices such as thermometers.
