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4746 online physics teachers

Dr:Mohamed Hany Mahmoud

Egypt
£12

60-min

/h

Electronic circuits basics and DC Electronic circuits analysis

Electronic circuits basics and DC Electronic circuits analysis

Objectives 1- Verification of Kirchhoff’s current and voltage laws. 2- Verification Voltage Dividers 3- Verification of Thevenin’s Theorem Kirchhoff’s Current Law At any point (junction) in an electric circuit, the sum of currents flowing into that node is equal to the sum of currents flowing out of it. Kirchhoff’s Voltage Law In any closed circuit, the summation of voltage sources (EMF) equals the summation of voltage drops Voltage drop is the voltage difference across a resistor’s terminals Common DC Circuit Terms: • Circuit – a circuit is a closed loop conducting path in which an electrical current flows. • Path – a single line of connecting elements or sources. • Node – a node is a junction, connection or terminal within a circuit were two or more circuit elements are connected or joined together giving a connection point between two or more branches. A node is indicated by a dot. • Branch – a branch is a single or group of components such as resistors or a source which are connected between two nodes. • Loop – a loop is a simple closed path in a circuit in which no circuit element or node is encountered more than once. Voltage Dividers • An electronic circuit that accepts a certain voltage input and produces a fraction of that input voltage as the output • The same current I flows through R1 and R2 Thevenin’s Theorem • Thevenin theorem is an analytical method used to change a complex circuit into a simple equivalent circuit consisting of a single resistance in series with a voltage source.

Pierre

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Switzerland
£67

60-min

/h

trusted teacher iconTrusted teacher

Graduate professor from the École Polytechnique offers support and in-depth study in Mathematics and Physics for High School and Bachelor st...

Graduate professor from the École Polytechnique offers support and in-depth study in Mathematics and Physics for High School and Bachelor students

I offer both reinforcement and in-depth courses, adapted to the students' pace and the teachers' requirements. With 10 years of experience in individual monitoring and 5 years in front of diverse classes, I do not offer so much academic support as lively and interactive courses, whose key words are kindness and encouragement. Familiar with the Swiss and French programs as well as the IB, I know the frequent and less frequent sticking points that students encounter, as well as the classic exercises that must be redone absolutely and those that go further. My method: Understanding and assimilating the course are at the heart of everything, and that is why I particularly insist on this point which often requires filling in gaps from previous years. Concrete illustrations and targeted training then facilitate these famous understanding triggers which allow the student to finally release their full potential. We always proceed in stages: course - classic exercises - more advanced exercises, with obviously homework from one time to the next to anchor the knowledge and develop the autonomy necessary to solve complex problems. Skills of interest for scientific bachelors: - in mathematics: basic analysis, linear algebra, differential equations, integration, probabilities - in physics: point and solid mechanics, electrokinetics, electromagnetism, thermodynamics, geometric and physical optics, quantum mechanics

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