Thus far, we have seen how the net resistance ( R ) to current ( I ) flow within a series circuit is the sum of all the resistors that are present: Rt = R1 + R2 + R3 +…Rn The voltage ( V ) drop that occurs as a coulomb ( C ) ofContinue reading “INTRODUCTION TO ELECTRONICS: Power in Series Circuits“
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ELECTRONICS: Kirchhoff’s Laws
Q: What are the values of the currents ( I ) and unknown voltage drops ( V ) across the resistors ( R ) pictured below? A: The first problem-solving step involves assigning labels to the junctions ( j ) in the circuit: We must now sketch the currents flowing in the circuit: The currentContinue reading “ELECTRONICS: Kirchhoff’s Laws”
ELECTRICITY: Direct Current and Parallel Resistors
INTRODUCTION TO DIRECT CURRENT ( DC ) ELECTRONICS : Note: Assuming each resistor ( R ) = 64 Ohms, what is the equivalent resistance of the circuit from points A to B ? Symmetry regarding the flow of electrons is the key to calculating the total resistance ( R ) of this circuit. Let’s suppose theContinue reading “ELECTRICITY: Direct Current and Parallel Resistors”
ELECTRICITY: Kirchhoff’s Rules and Negative Current Values
Voltage, where V = IR, is the product of the current ( I ) of Amperes in an electrical circuit in units of coulombs per second ( q/s ), and resistance ( R ) in Ohms. Likewise, voltage is defined as the amount of energy in Joules ( J ) a coulomb of charge carriesContinue reading “ELECTRICITY: Kirchhoff’s Rules and Negative Current Values”
RENAISSANCE PHYSICS 