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

  • If XL= 100 Ω and R = 100 Ω, then impedance will be


  • Options
  • A. 141.4 Ω
  • B. 14.14 Ω
  • C. 100 Ω
  • D. 200 Ω

  • Correct Answer
  • 141.4 Ω 

    • More questions

    • 1. A differentiator circuit can be used to convert a pulse input to a nearly constant dc output.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. 

      What is the phase angle in the given circuit?


    • Options
    • A. 14.95°
    • B. 36.88°
    • C. 0°
    • D. 90°
      • Discuss
    • 3. If a charged capacitor is disconnected from a circuit, it will:

    • Options
    • A. immediately discharge
    • B. recharge
    • C. remain charged
    • D. leak the charge
      • Discuss
    • 4. A capacitor's rate of charge is considered:

    • Options
    • A. magnetic
    • B. a current block
    • C. linear
    • D. exponential
      • Discuss
    • 5. Faraday's law states that the polarity of induced voltage in a coil is in opposition to the current change through that coil.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. 

      The phase angle in the circuit in the given circuit is approximately equal to ______.


    • Options
    • A. 53°
    • B. 90°
    • C. 37°
    • D. 0°
      • Discuss
    • 7. If the reactive power of a circuit is 50 mW while the apparent power is 64 mW, then what is the true power of the circuit?

    • Options
    • A. 14 mW
    • B. 36 mW
    • C. 40 mW
    • D. 114 mW
      • Discuss
    • 8. 

      The total circuit reactance is ______ in the given circuit.


    • Options
    • A. 50 Ω
    • B. 140 Ω
    • C. 265 Ω
    • D. 676 Ω
      • Discuss
    • 9. An asynchronous decade counter increases its value by ten for each clock pulse.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. It takes two memory locations (16 bits each) to store an address in the 8085 system.

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

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