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Electric Circuits

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

 Leading
 Unity
 Zero
 Lagging

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

 800 Ω.
 4 Ω.
 400 Ω.
  40 Ω.

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Electric Circuits
When the battery is being charged, the terminal voltage decreases with

 increasing temperature.
 none of these.
 increasing state of charge.
 increasing charging rate.

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Electric Circuits
The rms value of sinusoidal voltage wave V = 200sinω0t

 100√2 V.
 200 V.
 200√2 V.
 100 V.

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 1.5V, 1.5 Ohm
 0.75V, 5/6 Ohm
 1.5V, 5/6 Ohm
 0.75 V, 1.5 Ohm

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Electric Circuits
If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of

 frequency.
 time.
 reactive power.
 power.

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MORE MCQ ON Electric Circuits

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