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Electric Circuits

Electric Circuits
Average power taken by the pure capacitor is

 Maximum
 Zero
 Any of the above
 Minimum

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Electric Circuits
In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance.

 34 mH.
 38 mH.
 35 mH.
 30 mH.

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Electric Circuits
In parallel RLC circuit under resonance condition the value of current is

 Maximum
 Minimum
 Zero
None of these

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Electric Circuits
Reciprocity condition for h parameters is

 h12 = h21.
 h11h22 - h21h12 = 0.
 h12 = - h21.
 h12 = h21.

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Electric Circuits
Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance?

 0.058 H.
 0.049 H.
 None of these.
 0.029.

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 90°
 0°
 45°
 - 90°

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