By Alix Loane. Circuit. Publised at Monday, November 20th 2017, 00:18:44 AM. A single-layer or single-sided PCB is one that is made out of a single layer of base material or substrate. One side of the base material is coated with a thin layer of metal. Copper is the most common coating due to how well it functions as an electrical conductor. Once the copper base plating is applied, a protective solder mask is usually applied, followed by the last silk-screen to mark out all of the elements on the board.
By Bertille Solange. Circuit. Published at Thursday, January 11th 2018, 05:22:15 AM. When multiple components are connected in parallel, the voltage drop is the same across all components. When multiple components are connected in series, the total voltage is the sum of the voltages across each component. These two statements can be generalized as Kirchoff’s Voltage Law (KVL), which states that the sum of voltages around any closed loop (e.g. starting at one node, and ending at the same node) is zero.
By Charlotte Myriam. Motor. Published at Thursday, January 11th 2018, 02:53:10 AM. In the previous section it was shown that motor torque varies inversely with speed. This then is the motor’s natural speed-torque curve. Below a certain speed, called the corner speed, current would rise above the motor’s rated current, ultimately to destructive levels as the motor’s speed is reduced further.
By Sasha Sara. Car Wiring. Published at Wednesday, January 10th 2018, 14:52:16 PM. As we stated, always use closed terminals. If your terminals have the plastic cover, remove that. Always solder the terminal where the wire end is installed. Never crimp the terminal and expect the wire to stay there forever. It won’t.
By Valentine Sybille. Diagram. Published at Wednesday, January 10th 2018, 13:50:25 PM. Starting to make sense? These are the basics and may even seem obvious or intuitive to you, such as the wires and if they are connected. Whenever you determine your specific field of electrical engineering, you may see more complex diagrams and symbols. You’ll learn also that different countries use different symbols. For example, of the two symbols for resistors above, the first one is used in the U.S., while the second is used in Europe. You will also learn about the various symbols used for switches, other power supplies, inductors, meters, lamps, LEDs, transistors, antennas, and much more.
By Sasha Sara. Circuit. Published at Wednesday, January 10th 2018, 13:48:10 PM. We all know about electricity. It is the flow electrons. Hence the word electricity is derived from the word electrons. A battery itself doesn’t work, if you hold it up in air, there would be no passage of electric current. Hence you need a circuit. In Simple terms an electronic circuit is a closed pathway for electrons to flow.
By Valentine Sybille. Motor. Published at Wednesday, January 10th 2018, 06:56:10 AM. At this point it is important to introduce the concept of overdrive ration. This is the ration between the power supply voltage and the motor’s rated voltage. An empirically derived maximum is 25:1, meaning the power supply voltage should never exceed 25 times the motor’s rated voltage or 32 times the square root of motor inductance. Below is a graph of measured iron losses for a 4A, 3V motor. Notice in Figure 16 how the iron losses range from insignificant to being the major cause of heating in the motor compared to a constant 12W copper loss (4A times 3V).
By Charlotte Myriam. Car Wiring. Published at Wednesday, January 10th 2018, 04:08:19 AM. Plan the route of the wires. There are some wires that should not come in close proximity to other wires. The radio wires must be kept clear of the ignition wires to reduce interference.
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