Engineering Board Exam Reviewer · Circuit Theorems and Conversions · medium
For the circuit shown, V=9 V, R1=15, , and R2=10, . Find the Thevenin resistance RTh seen looking into terminals a-b.
- 25,
- 15,
- 10,
- 6,
Answer
D. 6,
Solution
Replace the voltage source by a short circuit. Looking into a-b, R1 and R2 are in parallel: RTh=R1R2/R1+R2=(15, )(10, )/15, +10, =6, .
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