r1=1kohm, r2=1kohm, r3=500 ohm, Vs= 5v, RL= load resistor Calculate the Norton e

Question

r1=1kohm, r2=1kohm, r3=500 ohm, Vs= 5v, RL= load resistor
Calculate the Norton equivalent resistance using: RN = R3 + R1,//R2 Calculate the Norton equivalent current via the following: Rr = R1 + R2//R3?; the total resistance in the circuit Ir = Vs/Vr; the total current in the circuit IN = (R2/R2 + R3)Ir; the current divider formula which yields the Norton equivalent current. Calculate the percent error between the measured and calculated values IN and RN. Finally, draw a schematic of the Norton equivalent circuit.

Explanation / Answer

Norton's Resistance
Rn = (1000 || 1000 ) + 500
Rn = 500 + 500
Rn = 1000
Rn = 1kO
Ton find Norton's current Short the terminals a and b Total resistance as seen by the source Rt = 1000 + (1000 || 500) Rt = 1000 + 333.33 Rt = 1333.33O Main current from the source It = V/Rt It = 5/1333.33 It = 3.75mA Using current divider rule In = (3.75m)(1000)/(1000+500) In = 2.5mA

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