# Series and parallel circuits

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A DC circuit is a circuit in which current can only flow in one direction, constantly and with constant polarity. As opposed to alternating current, which changes its flow direction at regular intervals and can also increase or decrease in value. In this essay I will be mainly describing DC circuits wired in series, parallel, and series-parallel. In a DC series circuit the components are all wired together from end to end with the same amount of current flowing through each component. In a simple series circuit all that is required is a power source (battery), conductor, and a resistor. In order to better understand how a series circuit works you must first begin to understand how each of the basic components function and contribute to…

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Furthermore, there is no pattern in the correct answers. Item #1 Revised Taxonomy - Cognitive Levels In answering this item, the student must recall the definition of parallel. Thus, the student must remember the factual knowledge that resistors in parallel have the same voltage. Item-writing Guidelines In creating this item, simple language and grammatical conventions are used, and the stem does not provide any clues to answer the item. Also, the options are logically arranged in alphabetical…

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the given circuit. How to use both Maximum Power and Norton’s Theorem properly, are to be explained in order to solve a circuit using these approaches. THEORY MAXIMUM POWER Maximum power states that a load receives max power from a network when it’s resistance is exactly equal to the Thevenin and Norton resistance of the network supplying the power (as shown below): If the load resistance is higher or lower than the Thevenin/Norton equivalent then there would be no maximum power…

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is a circuit? How do they work? An electric circuit is a kind of path made up of wires that allows the flow of electrons. The circuit has to be made in a circular form, as the electrons must frequently move in a full loop, in which they will return to their original position and then complete the loop again. (“What is an electric circuit?”) The battery or another source of power provides the voltage, or ‘electrical push’, that makes the electrons move through the circuit. When the electrons…

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eg. If you had 4 solar panels in parallel and each was rated at 12 volts and 5 amps, the entire array would be 12 volts and 20 amps. Series circuits have only one path for current to travel along. Therefore, all the current in the circuit must flow through all the loads. A series circuit is a continuous, closed loop - breaking the circuit at any point stops the entire series from operating. An example of a series circuit is a string of old Christmas lights - if one bulb breaks, the whole string…

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uppercase letter I. Potential difference The potential difference between two points.The units for potential difference are Joules per coulomb, or volts. (1 volt = 1 Joule/coulomb). Electrical charge Electric charge is carried by the electrons ( negative charge) and protons (positive charge) within an atom. The symbol for the electrical charge is Q. Resistance The symbol for the resistance is ohm Ω and as the ratio of the voltage applied to the electric current ,which…

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Foreword On September 22, 2016, you said you needed information on the Circuit Lab I had recently completed in order to present information to high school students. You need this information by October 4, 2016, in order to talk to students about circuits and increase their interest in technical subjects and the engineering profession on Shadow-an-Engineer-Day on October 17, 2016. For the Circuit Lab, I was asked to use concepts of Ohm’s Law and read/analyze circuit diagrams with common…

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We will discuss these motors further when we get to the topic of DC motor control. * Unipolar motors, with two center-tapped coils which can be treated as four coils (see Figure One-b). These have six or eight (or sometimes five) wires, and can be controlled from a microprocessor with little more than four transistors (see Figure Two). Figure One. (a) The internal arrangement of the coils for a bipolar stepper motor. (b) The internal arrangement of the coils for a unipolar stepper…

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case, it would be anywhere from slightly less-hot, to not hot at all. But in the Earth’s case, it would get very, very cold, possibly to where the planet would become uninhabitable. 3. “As more and more bulbs are connected in series to a flashlight battery, what happens to the brightness of each bulb? Assuming that the heating inside the battery is negligible, what happens to the brightness of each bulb when more and more bulbs are connected in parallel? Based on your answers above, what are…

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Fig. 6.3 Subsystem model of Solar Panel 6.2 BOOST CONVERTER: A boost converter circuit is used to boost the voltage with the inductance value of 0.01H and capacitance value of 2mF. Fig. 6.4 Boost Converter 6.3 MPPT ALGORITHM (P&O): This is the most commonly used algorithm for maximum power point tracking. In this algorithm the controller adjusts the voltage by using the array voltages. If the power increases, it adjusts until the power stops increasing and sets the value. It is also called as…

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