Ohm's Law problems
- 1. If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is
Options- A. 220 kΩ
- B. 22 kΩ
- C. 2.2 kΩ
- D. 220 Ω Discuss
Correct Answer: 2.2 kΩ
- 2. A resistance of 3.3 MΩ is connected across a 500 V source. The resulting current is approximately
Options- A. 15.1 µA
- B. 151 µA
- C. 66 mA
- D. 660 mA Discuss
Correct Answer: 151 µA
- 3. If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?
Options- A. 8 V
- B. 320 V
- C. 3.2 V
- D. 32 V Discuss
Correct Answer: 32 V
- 4. An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately
Options- A. 385 Ω
- B. 38.5 Ω
- C. 3.1 Ω
- D. 31 Ω Discuss
Correct Answer: 31 Ω
- 5. A current of 200 µA through a 6.8 kΩ resistor produces a voltage drop of
Options- A. 34.4 V
- B. 340 V
- C. 13.6 V
- D. 1.36 V Discuss
Correct Answer: 1.36 V
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