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Electric Circuits

Electric Circuits
In series RLC circuit what is the power factor just bellow the resonance frequency?

 Zero
 Lagging
 Leading
 Unity

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Electric Circuits
A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the current in the circuit?

 0.4583 A.
 0.1578 A.
 0.2547 A.
 0.1465 A.

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Electric Circuits
Aluminium is produced from bauxite by

  electrolytic process.
  froth flotation.
  rotating.
  oxidation.

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Electric Circuits
What is the frequency of domestic power in India?

 50 Hz.
 70 Hz.
 60 Hz.
 220 Hz.

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Electric Circuits
What is a resistor?

 Capacitor
 Inductor
 Test
 Hello

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Electric Circuits
What is the real power in AC operation?

 None of these.
 Apperant power × cosφ.
 VIcosφ.
 Both option A and B.

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MORE MCQ ON Electric Circuits

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