Discussion
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- Question
If the current in the given circuit is increased to 24 mA, the source voltage must have tripled.
Options- A. True
- B. False
- Correct Answer
- False
- 1. The current through a resistor can be found by dividing the resistor's voltage by its ohmic value.
Options- A. True
- B. False Discuss
- 2. Doubling the voltage across a resistor will cut the current by half.
Options- A. True
- B. False Discuss
- 3. Heat produced by a resistor is generally a desirable effect.
Options- A. True
- B. False Discuss
- 4. The efficiency rating of a power supply is determined by internal power loss.
Options- A. True
- B. False Discuss
- 5. Switching voltage regulators have ______ than linear regulators.
Options- A. longer life
- B. simpler circuitry
- C. greater efficiency
- D. lower cost Discuss
- 6. Generally, increasing the resistance in a circuit will decrease the current.
Options- A. True
- B. False Discuss
- 7. The voltage drop across a resistor is simply a difference of potential across that resistor.
Options- A. True
- B. False Discuss
- 8. Power is a measure of how fast current is flowing.
Options- A. True
- B. False Discuss
- 9. Current and voltage have a nonlinear relationship.
Options- A. True
- B. False Discuss
- 10. The value of a resistor is in direct proportion to its power handling capabilities.
Options- A. True
- B. False Discuss
Ohm's Law problems
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Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: True
Correct Answer: greater efficiency
Correct Answer: True
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: False
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