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The term cosphi in an AC circuit is cal...

The term `cosphi` in an `AC` circuit is called

A

form factor

B

phase factor

C

power factor

D

quality factor

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The correct Answer is:
C
NA
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Knowledge Check

  • The current, which does not contribute to the power consumed in an AC circuit is called

    A
    non-ideal current
    B
    wattless current
    C
    convectional current
    D
    inductance current

  • In the given AC circuit

    A
    current `underset(2)(I)` and V are is same value
    B
    current `underset(2)(I)` leads `underset(1)(I)` by `90^(@)`
    C
    current I leads `underset(2)(I)` by `theta` lt `90^(@)`
    D
    current I leads `underset(1)(I)` by `theta` lt `90^(@)`

  • In an A.C. circuit the current

    A
    Always leads the voltage
    B
    Always lags behind the voltage
    C
    Is always in phase with the voltage
    D
    May lead or lag behind or be in phase with the voltage
    • DC PANDEY-ALTERNATING CURRENT-Level - 1 Objective
    1. The term cosphi in an AC circuit is called

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    2. A DC ammeter cannot measure alternating current because

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    3. As the frequency of an alternating current increases, the impedance of...

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    4. Phasor diagram of a series AC circuit is shown in figure. Then,

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    5. The rms value of an alternating current

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    6. In an AC circuit, the applied potential difference and the current flo...

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    7. The impedasnce of sereis L-C-R circuit in an AC circuit is

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    8. If V0 and I0 are the peak current and voltage across the resistor in a...

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    9. A generator produces a time varying voltage given by V=240 sin 120 t, ...

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    10. An L-C-R series circuit has a maximum current of 5A. If L=0.5H and C=8...

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    11. The current and voltage functions in an AC circuit are i=100 sin 100...

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    12. A capacitor becomes a perfect insulator is

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    13. For an alternating voltave V=10 cos 100 pit volt, the instantenous vol...

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    14. In a purely resistive AS circuit,

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    15. Identify the graph which correctly reperesents the variation of capaci...

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    16. In an AC circuit, the impedance is sqrt3 times the reactance, then the...

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    17. Voltage applied to an AC circuit and current flowing in it is given by...

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    18. A current of 4A flows in a coil when connected to a 12V DC source. If ...

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    19. In the circuit shown in figureure, the reading of the AC ammeter is ...

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    20. An AC voltage is applied acrss a series combination of L and R. If the...

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