Engineering Board Exam Reviewer · Series-Parallel Circuits · medium

In the series-parallel circuit shown, V=6 V, R1=20, , R2=20, , and R3=5, . Find the total current supplied by the source.

  1. 133.33 mA
  2. 300 mA
  3. 250 mA
  4. 500 mA

Answer

C. 250 mA

Solution

RT=R1+(R2 R3)=20, +4, =24, , so IT=V/RT= 6 V24, =250 mA.

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