Engineering Board Exam Reviewer · Series-Parallel Circuits · medium
In the circuit shown, V=60 V, R1=20, , R2=20, , and RL=5, . Find the voltage across the load RL.
- 10 V
- 30 V
- 12 V
- 20 V
Answer
A. 10 V
Solution
The load is in parallel with R2: R2L=(20, )(5, )/20, +5, =4, . By the voltage divider rule, VL=V R2LR1+R2L=(60 V)4, /20, +4, =10 V.
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