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EEE :: RL Circuits

RL Circuits - General Questions
RL Circuits - True or False

  1. Total current in an RL circuit always lags the source voltage.

    2. A.
    True
    B.
    False

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  2. The resistor voltage in an RL circuit is always out of phase with the current.

    3. A.
    True
    B.
    False

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  3. A filter passes certain frequencies and rejects others.

    4. A.
    True
    B.
    False

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  4. The power factor indicates how much of the apparent power is reactive power.

    5. A.
    True
    B.
    False

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  5. A power factor of 1 indicates a purely reactive circuit, and a power factor of 0 indicates a purely resistive circuit.

    6. A.
    True
    B.
    False

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  6. In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined.

    7. A.
    True
    B.
    False

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  7. The impedance of an RL circuit varies inversely with frequency.

    8. A.
    True
    B.
    False

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  8. The phase angle (θ) of a series RL circuit varies directly with frequency.

    9. A.
    True
    B.
    False

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  9. In an RL circuit, part of the power is resistive and part is reactive.

    10. A.
    True
    B.
    False

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  10. In a lag network, the output voltage lags the input voltage in phase.

    11. A.
    True
    B.
    False

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