Circuit Theorems and Conversions

Q1:
Find the Thevenin equivalent (V_TH and R_TH) between terminals A and B of the circuit given.

A 562 mV, 167

B 5.62 V, 167

C 5.62 V, 188

D 562 mV, 188

ANS:B - 5.62 V, 167

From the circuit

VTH=VS*((R2+R3)/(R1+R2+R3))

VTH=5.62V.

RTH=R4+(R1||(R2+R3))

RTH=166.8(app. equal to 167 ohm)

So ans is option B.

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