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- Question
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
- Correct Answer
- that would be attracted to the earth's south magnetic pole
- 1. 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
- 2. 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
- 3. A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding?
Options- A. 50 A
- B. 12 A
- C. 5 A
- D. 20 A
- E. None of the above Discuss
- 4. A device that converts thermal energy to electrical energy is called a:
Options- A. thermocouple
- B. solar cell
- C. chemical cell
- D. piezoelectric devices
- E. None of the above Discuss
- 5. A typical light switch in your home is a:
Options- A. knife switch
- B. toggle switch
- C. rotary switch
- D. momentary push button switch
- E. None of the above Discuss
- 6. Absolute Zero temperature equals
Options- A. 0o C
- B. -273o C
- C. -276o C
- D. 25o C
- E. None of the above Discuss
- 7. 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
- 8. 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
- 9. 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
- 10. 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
Electronic Principles problems
Search Results
Correct Answer: The current always has the same amplitude and phase for every part of the circuit
Correct Answer: Weak
Correct Answer: 20 A
Correct Answer: thermocouple
Correct Answer: toggle switch
Correct Answer: -273o C
Correct Answer: 22,000 Ohm, 5%
Correct Answer: from positive to negative
Correct Answer: Auto batteries are secondary wet-cell batteries
Correct Answer: 0.93 W
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