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Learning basic circuit theory lawrence p huelsman pdf download is quite simple because this article has been written to provide you with all the information that you need. Basic circuit theory lawrence p huelsman pdf download is an essential tool in learning anything about electronics. That includes understanding concepts like power, resistance, and voltage. All of these are important to know for someone wanting to increase their knowledge in electronics. This is an article that will provide you with the basic understanding of what they are, how to read them, and what can happen if you do not know about electronics. The article has been written by a professional in the field of electronics and has been compiled for your benefit. The first thing to understand is power. Power is a measure of work done by a voltage or current through a circuit. Power is measured in Watts or Amperes. A Watt is the amount of energy the voltage delivers over 1 second and an Ampere can deliver 1 coulomb per second. Voltage and current are found together because they are both used to determine power. Voltage is the amount of work done when an electrical force causes electrons to flow through a conductor. A circuit is a path for electrons to flow in when there is at least one voltage source. There are three types of circuits: series, parallel, and series-parallel. Series circuits have only one path for the current to pass through the components. Parallel circuits have more than one pathway for current to be delivered by more than 1 voltage source. Series-parallel circuits have both series and parallel pathways to deliver power or current. To determine power in a circuit you can use Ohm's Law which is V=I*R where V=voltage, I=current, and R=resistance. The formula can be rearranged based on what the user needs to find. Another important element of electronics is resistance. Resistance is the opposition to current flow caused by electric or magnetic fields. It is measured in Ohms (Ω) and it changes depending on the temperature of the material it is made out of. The reason for this is because metals are better conductors of heat than other materials which make them more difficult to pass through. Resistance can also be used to measure power using Ohm's Law ( V=I*R ). To determine how much power a circuit is using, you must find voltage, current, and resistance then use Ohm's Law again. To determine which way the current is flowing in a circuit, you must use Ohm's Law again. The voltage and current will not change in series circuits, but resistance increases when in parallel. When in series-parallel you must use the equation above because the voltage and current will not change. If you use Ohm's Law ( V=I*R ) to find power, finding resistance increases your knowledge of electronics because you can see what happens when current goes through it. If resistance is too high, the current won't be able to pass through it and there will be no power left. If it is too low, then it won't take away much power from the circuit either. eccc085e13
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