Electrical Components and Circuits

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Presentation transcript:

Electrical Components and Circuits Chapter 2: Electrical Components and Circuits

Bread board Printed circuit board

Laws of Electricity 1, Ohm’s Law V = iR V: potential difference in volts between two points in a circuit (work/coulomb = joule/coulomb) i: current, R: resistance 2. Kirchhoff’s law (1) current law: the algebraic sum of currents around any points in a circuit is zero. (2) voltage law: the algebraic sum of voltages around a closed loop is zero. 3. Power law P = i ·V = i ·(iR) = i2R

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