Engineering Board Exam Reviewer · Circuit Theorems and Conversions · medium

In the circuit shown, V=30 V, R1=10, , R2=5, , and RL=5, . Use Thevenin's theorem to find the current through RL.

  1. 1.2 A
  2. 2 A
  3. 3 A
  4. 2.4 A

Answer

A. 1.2 A

Solution

Thevenin equivalent seen by RL: VTh=VR2/R1+R2=10 V and RTh=R1 R2=3.33, . Then IL= VThRTh+RL= 10 V3.33, +5, =1.2 A.

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