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Home ‣ Electronics ‣ RL Circuits See What Others Are Saying!
  • Question

  • Which of the following statements is true if the inductor shorts out in the circuit in the given cir

    Which of the following statements is true if the inductor shorts out in the circuit in the given circuit?


  • Options
  • A. Each component drops 5 V.
  • B. The impedance equals 0 Ω.
  • C. The power factor equals 1.
  • D. The phase angle equals 90°.

  • Correct Answer
  • The power factor equals 1. 

    • More questions

    • 1. The total resistance in the circuit is 1.6 kΩ.


    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The carry propagation delay in 4-bit full-adder circuits ____________.

    • Options
    • A. is normally not a consideration because the delays are usually in the nanosecond range
    • B. is cumulative for each stage and limits the speed at which arithmetic operations are performed
    • C. decreases in direct ratio to the total number of full-adder stages
    • D. increases in direct ratio to the total number of full-adder stages, but is not a factor in limiting the speed of arithmetic operations
      • Discuss
    • 3. The forward voltage drop for a germanium transistor is 0.7 V and for a silicon transistor is 0.3 V.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The results of internal IC failures will usually be noticed during the ______ phase of troubleshooting.

    • Options
    • A. diagnostic
    • B. isolation
    • C. repair
    • D. final test
      • Discuss
    • 5. The TTL HIGH level source current is higher than the LOW level sinking current.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The input resistance, Rin of a common-collector amplifier, consists of ____________.

    • Options
    • A. Rin = RE × AC Current Gain
    • B.
    • C. Rin = RE × ɑ
    • D. none of the above
      • Discuss
    • 7. The charge carriers in a junction field effect transistor (JFET) will flow from source to drain in a p-channel and from drain to source in an n-channel.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The ideal output impedance for an operational amplifier is 0 Ω.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The signal voltage gain of an amplifier, AV, is defined as __________.

    • Options
    • A.
    • B. AV = IC x RC
    • C.
    • D.
      • Discuss
    • 10. ___ occurs in a transformer when some of the primary flux lines pass through the air instead of the core.

    • Options
    • A. Hysteresis loss
    • B. Magnetic flux leakage
    • C. Winding resistance
    • D. Winding capacitance
      • Discuss

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