Engineering Board Exam Reviewer · Ohm's Law · medium
A resistor draws 20 mA at 6 V and 50 mA at 15 V. Find its resistance.
- 30,
- 750,
- 300,
- 150,
Answer
C. 300,
Solution
R=V/I=6/0.020=300, (and 15/0.050=300, , which confirms the resistor obeys Ohm's law).
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