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Electric Circuits

Electric Circuits
The voltage across the 1kΩ resistor between the nodes A and B of the network shown in the given figure is

 -1 V.
 -2 V.
 2 V.
 1 V.

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Electric Circuits
Poorest conductor of electricity is

  Carbon.
  Silver.
  Aluminium.
  Steel.

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Electric Circuits
In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be

 0.9.
 0.4.
 0.6.
 0.85.

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Electric Circuits
Condition for a balanced 3 - phase load is that, each phase has the same value of __________________.

 power factor.
 all of these.
 resistance.
 impedance.

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Electric Circuits
If the peak value of a sine wave is 100 V, then its RMS value will be

 100 V.
 63.6 V.
 88 V.
 70.7 V.

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Electric Circuits
Lowest current density is generally recommended for plating of

 chromium.
 bronze.
 cadmium.
 silver.

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MORE MCQ ON Electric Circuits

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