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Home Electrical Engineering Circuit Theorems in AC Analysis See What Others Are Saying!
  • Question
  • Referring to the given figure, determine ZTH as seen by RL if R1 is changed to 3.3 kΩ.

    Referring to the given figure, determine ZTH as seen by RL if R1 is changed to 3.3 k?. 1488??70.7° ?


  • Options
  • A. 1488∠?70.7° Ω
  • B. 3859 ∠?31.2° Ω
  • C. 5180 ∠?50.5° Ω
  • D. 1828∠?50.2° Ω

  • Correct Answer
  • 1828∠?50.2° Ω 


  • More questions

    • 1. When converting 7,000 nA to microamperes, the result is

    • Options
    • A. 0.007 ľA
    • B. 0.7 ľA
    • C. 700 ľA
    • D. 7 ľA
    • Discuss
    • 2. A series circuit has a 24 V source and a total resistance of 120 Ω. The current through each resistor is

    • Options
    • A. 24 mA
    • B. 200 mA
    • C. 120 mA
    • D. 20 mA
    • Discuss
    • 3. In a parallel circuit, the branch with the lowest resistance has the most current.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. How many degrees are there in Π/3 rad?

    • Options
    • A. 6°
    • B. 60°
    • C. 180°
    • D. 27°
    • Discuss
    • 5. In an electric circuit, the reaction of a circuit to a given pulse input is known as the pulse response.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. When an open circuit occurs in a parallel branch, the total resistance decreases.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. The quantity 43 × 10-3 is the same as

    • Options
    • A. 0.043
    • B. 0.430
    • C. 430
    • D. 43,000
    • Discuss
    • 8. The resistor voltage is always out of phase with the current.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. Transistors act basically as voltage sources.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V. The voltage ratio in decibels is

    • Options
    • A. 6.02 dB
    • B. ?6.02 dB
    • C. 12.04 dB
    • D. ?12.04 dB
    • Discuss


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