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Your Name Braiden Bollack Pre LAB Template Lab UIN 233005933 Section 520 1 The current in a series circuit stays the same across each component The current in a parallel circuit will split into each pathway of the circuit with the amount depending on how much resistance in each path but it will always return to the power source with as much current as it began with 2 The dual of a circuit is easily demonstrated when comparing a circuit in series and one in parallel Voltage and current are opposites of each other where current is always the same in a series circuit and voltage is always the same in one parallel 3 KVL and KCL mean Kirchhoff s Voltage Law and Kirchoff s Current Law respectively KVL is that the voltage sum across a circuit must equal zero In mathematical terms 0 V1 V2 V3 KCL states that all current entering a circuit junction must equal the same amount of current leaving the junctions In mathematical terms IT I1 I2 I3 4 A two resistor voltage divider would be a bad choice for a power supply as it is more difficult to obtain accurate voltage with more resistor variables It also limits the amount of current that can be used in a circuit 5 The circuit is divider who s current can be found by Vout Vin R1 R1 R2 Adding a 10k resistor attached to the Vout would increase the total voltage of Vout When the circuit is short circuited the max current will equal the voltage source Impedance 6 Where R1 in the model equals the old R1 R4 R2 and the modeled R2 is equal to 1 1 R2 1 R3 1 R3 Req R1 R4 1 1 R2 1 R3 is the total resistance I1 I4 I2 I3 Va Vin I1 R1 is the voltage after the first drop and before the parallel portion Vb Va I4 R4 I1 Vin R1 I2 Va Vb R2 I3 Va Vb R3 7

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TAMU ECEN 215 - Pre-LAB Template - Lab #

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