Engineering Board Exam Reviewer · Branch, Loop and Node Analyses · easy
A single loop contains a 12 V source and three resistors. Two of the resistors drop 3 V and 5 V. What is the voltage drop across the third?
- 20 V
- 4 V
- 8 V
- 15 V
Answer
B. 4 V
Solution
KVL: the drops sum to the source voltage. 12=3+5+V3 V3=4 V.
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