By Cyrielle Marjolaine. Diagram. Publised at Tuesday, December 19th 2017, 00:21:22 AM. Circuit components are manufactured with exposed metal pins (or leads) that are used to fasten them to the PCB both mechanically (so they will not fall off) and electrically (so current can pass between them). The soldering process, which provides a strong mechanical bond and a very good electrical connection, is used to fasten components to the PCB. During soldering, component leads are inserted through the holes in the PCB, and then the component leads and the through-hole plating metal are heated to above the melting point of the solder (about 500 to 700 degrees F). Solder (a metallic compound) is then melted and allowed to flow in and around the component lead and pad. The solder quickly cools to form a strong bond between the component and the PCB. The process of associating components with reference designators, loading them into their respective holes, and then soldering them in place comprises the PCB assembly process.
By Madeleine Catherine. Circuit. Published at Wednesday, December 27th 2017, 03:48:10 AM.
By Valentine Sybille. Diode. Published at Wednesday, December 27th 2017, 03:25:22 AM. A diode is a one-way conductor. It has two terminals, the anode or positive terminal and the cathode or negative terminal. Ideally a diode will pass current when its anode is made more positive than its cathode, but prevent current flow when its anode is more negative than its cathode. In the circuit symbols shown in Fig. 2.0.2, the cathode is shown as a bar and the anode as a triangle. On some circuit diagrams the anode of a diode may also be indicated by the letter ‘a’ and the cathode by the letter ‘k’.
By Alix Loane. Diagram. Published at Wednesday, December 27th 2017, 03:00:34 AM. How to calculate voltage across a resistor with pictures total current. Voltage current gnomes lyza the townspeoples new signature cookie showed relationship between v. Working out current voltage and resistance in a bridge circuit enter image description here. Related rates archives every step calculus current resistance
By Bertille Solange. Diagram. Published at Wednesday, December 27th 2017, 02:16:25 AM. Inductors are usually represented by either a series of curved bumps, or loopy coils. International symbols may just define an inductor as a filled-in rectangle.
By Sasha Sara. Circuit. Published at Wednesday, December 27th 2017, 02:05:06 AM. In some circuits, there are virtual grounds, which are nodes at the same voltage as ground, but are not connected to a power supply. When current flows into the virtual ground, the voltage at the virtual ground may change relative to the real ground, and the consequences of this situation must be analyzed carefully.
By Charlotte Myriam. Diagram. Published at Wednesday, December 27th 2017, 00:59:04 AM. A capacitor is a two-terminal device that can store electric energy in the form of charged particles. You can think of a capacitor as a reservoir of charge that takes time to fill or empty. The voltage across a capacitor is proportional to the amount of charge it is storing – the more charge added to a capacitor of a given size, the larger the voltage across the capacitor. It is not possible to instantaneously move charge to or from a capacitor, so it is not possible to instantaneously change the voltage across a capacitor. It is this property that makes capacitors useful on Digilent boards and in many other applications.
By Alix Loane. Circuit. Published at Wednesday, December 27th 2017, 00:57:22 AM. In the hydrodynamic analogy of electronic circuits, resistors are equivalent to a pipe. As fluid flows through a pipe, frictional drag forces at the walls dissipate energy from the flow and thus reducing the pressure, or equivalently, the potential energy of the fluid in the pipe. A small resistor is equivalent to a large diameter pipe that will allow for a high flow rate, whereas a large resistor is equivalent to a small diameter pipe that greatly constricts the flow rate.
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