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- Question
What is the difference between the kinds of charges for an electron and a proton?
Options- A. An electron has a positive charge and a proton has no charge
- B. An electron has a positive charge and a proton has a negative charge
- C. An electron has a negative charge and a proton has a positive charge
- D. An electron has a negative charge and a proton has no charge
- E. None of the above
- Correct Answer
- An electron has a negative charge and a proton has a positive charge
- 1. Which one of the following is most likely used for measuring the rate of electron flow?
Options- A. Voltmeter
- B. Ammeter
- C. Wattmeter
- D. Ohmmeter
- E. None of the above Discuss
- 2. Current is
Options- A. The flow of charged particles through a material
- B. An imbalance of electrical charges
- C. The force that causes electrons to flow
- D. The number of free electrons in an atom
- E. None of the above Discuss
- 3. If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?
Options- A. 0 V
- B. 36 V
- C. 40 V
- D. 60 V
- E. None of the above Discuss
- 4. The basic unit of measurement for resistance is the:
Options- A. volt
- B. ampere
- C. ohm
- D. watt
- E. None of the above Discuss
- 5. The peak value of a sine waveform is:
Options- A. the amplitude at 70.7% of the maximum value
- B. the amplitude at 90% of the maximum value
- C. the amplitude at 1.41 times the maximum value
- D. the maximum positive or negative value
- E. None of the above Discuss
- 6. An ideal voltage source has
Options- A. Zero internal resistance
- B. Infinite internal resistance
- C. A load dependent voltage
- D. A load-dependent current
- E. None of the above Discuss
- 7. Which one of the following phrases most accurately describes a purely capacitive circuit?
Options- A. Resistances provide the only opposition to current flow
- B. Capacitive reactance provides the only opposition to current flow
- C. The ac voltage leads the current by 90 degree
- D. Combinations of resistance and capacitive reactance provide any opposition to current flow
- E. None of the above Discuss
- 8. What is the inductive reactance of a 2-H coil operating at 60 Hz?
Options- A. 754 Ohm
- B. 30 Ohm
- C. 60 Ohm
- D. 120 Ohm
- E. None of the above Discuss
- 9. Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?
Options- A. P = IE
- B. P = E2/R
- C. P = I2R
- D. I = P/E
- E. None of the above Discuss
- 10. A device that converts light energy to electrical energy is called a:
Options- A. thermocouple
- B. solar cell
- C. photodiode
- D. photo transistor
- E. None of the above Discuss
Electronic Principles problems
Search Results
Correct Answer: Ammeter
Correct Answer: The flow of charged particles through a material
Correct Answer: 60 V
Correct Answer: ohm
Correct Answer: the maximum positive or negative value
Correct Answer: Zero internal resistance
Correct Answer: Capacitive reactance provides the only opposition to current flow
Correct Answer: 754 Ohm
Correct Answer: P = IE
Correct Answer: solar cell
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