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Home ‣ Electrical Engineering ‣ Circuit Theorems in AC Analysis See What Others Are Saying!
  • Question

  • Referring to the given circuit, determine ZTH as seen by RL.

    Referring to the given circuit, determine ZTH as seen by RL. 1444??48.5° ? 4176 ??73.3° ? 956 ??48.5


  • Options
  • A. 1444∠?48.5° Ω
  • B. 4176 ∠?73.3° Ω
  • C. 956 ∠?48.5° Ω
  • D. 1444 ∠?73.3° Ω

  • Correct Answer
  • 1444∠?48.5° Ω 

    • More questions

    • 1. The number 65,000 expressed in scientific notation as a number between 1 and 10 times a power of ten is

    • Options
    • A. 0.65 × 104
    • B. 6.5 × 104
    • C. 65 × 104
    • D. 650 × 103
      • Discuss
    • 2. In applying the superposition theorem,

    • Options
    • A. the sources are considered one at a time with all others replaced by their internal impedance
    • B. all sources are considered independently
    • C. all sources are considered simultaneously
    • D. the sources are considered one at a time with all others replaced by their internal resistance
      • Discuss
    • 3. The roll-off rate of a basic RC or RL filter is 20 dB per decade.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The true power in a capacitor is zero.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. Parallel resistors are connected between the same two points.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A smaller-value load resistor will cause the output voltage to change more than a larger-value one.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. In an RC low-pass filter, the output voltage is taken across the resistor and the output lags the input voltage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. A reflective load is a load as it appears to the source in the primary of a transformer.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A transformer changes ac to dc.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Series aiding is a term sometimes used to describe voltage sources of the same polarity in series.

    • Options
    • A. True
    • B. False
      • Discuss

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