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Electric Circuits

Electric Circuits
In a delta network each element has value R. The value of each element in equivalent star network will be

 R / 4.
 R / 6.
  R / 3.
 R / 2.

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Electric Circuits
For symmetrical wave form average value of one full cycle is

 1
 0
 2.22
 1.11

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Electric Circuits
Container of a lead acid battery

 celluloid.
 molded hard rubber.
 any of above.
 ceramics.

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

 45°
 0°
 90°
 - 90°

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Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 5000 ohms.
 500 ohms.
 1000 ohms.
 50 ohms.

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Electric Circuits
The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V.

 200
 250
 450
 360

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MORE MCQ ON Electric Circuits

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