Electronic Principles problems
- 1. The valence electron of a copper atom experiences what kind of attraction toward the nucleus?
Options- A. Strong
- B. Neutral
- C. Weak
- D. Impossible to say
- E. None of the above Discuss
Correct Answer: Weak
- 2. Which one of the following statements is true for the currents in a series RC circuit?
Options- A. The current always has the same amplitude and phase for every part of the circuit
- B. The total current is equal to the sum of the currents for the resistance and capacitance
- C. The total current is greater than the sum of the currents for the resistance and capacitance
- D. The total current is less than the sum of the currents for the resistance and capacitance
- E. None of the above Discuss
Correct Answer: The current always has the same amplitude and phase for every part of the circuit
- 3. The south pole of a magnet is the one:
Options- A. that would be attracted to the earths north magnetic pole
- B. that has its molecules arranged in a random pattern
- C. that would be attracted to the earth's south magnetic pole
- D. that would be repelled by the north pole of another magnet
- E. None of the above Discuss
Correct Answer: that would be attracted to the earth's south magnetic pole
- 4. Absolute Zero temperature equals
Options- A. 0o C
- B. -273o C
- C. -276o C
- D. 25o C
- E. None of the above Discuss
Correct Answer: -273o C
- 5. Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold
Options- A. 220 Ohm, 5%
- B. 220 Ohm, 10%
- C. 22,000 Ohm, 5%
- D. 22, 000 Ohm, 10%
- E. None of the above Discuss
Correct Answer: 22,000 Ohm, 5%
- 6. The direction of conventional current flow is:
Options- A. from negative to positive
- B. from positive to negative
- C. from left to right
- D. from neutral to positive
- E. None of the above Discuss
Correct Answer: from positive to negative
- 7. Which one of the following statements applies to common auto batteries?
Options- A. Auto batteries are primary wet-cell batteries
- B. Auto batteries are secondary wet-cell batteries
- C. Auto batteries are secondary dry-cell batteries
- D. Auto batteries are primary dry-cell batteries
- E. None of the above Discuss
Correct Answer: Auto batteries are secondary wet-cell batteries
- 8. The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values?
Options- A. 0.93 W
- B. 0.93 V
- C. 1 A
- D. 9.3 W
- E. None of the above Discuss
Correct Answer: 0.93 W
- 9. A transistor has how many doped regions?
Options- A. 1
- B. 2
- C. 3
- D. 4
- E. None of the above Also asked in: Bank Exams
Correct Answer: 3
- 10. When operating below its resonant frequency, a series RLC circuit has the characteristics of a:
Options- A. series RL circuit
- B. series RC circuit
- C. series RLC circuit operated above its resonant frequency
- D. purely resistive circuit
- E. None of the above Discuss
Correct Answer: series RC circuit
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