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Electric Circuits

Electric Circuits
Three 3Ω resistors are connected to form a triangle. What is the resistance between any two of the corner?

 6 Ω.
 3 Ω.
  2 Ω.
 9 Ω.

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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

 0.6.
 0.4.
 0.9.
 0.85.

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Electric Circuits
Basic cut set matrix consists of

 any number of branches.
 one branch.
 no branches.
 2 branch.

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Electric Circuits
Types of rotating machines

 transformer.
 IM.
 synchronous machine.
 both B and C.

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Electric Circuits
Resistor stores the energy in the form of

None of these
 magnetic field.
 both A and B.
 electrical field.

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Electric Circuits
To apply reciprocity theorem response to excitation ratio is

 No units.
 Either Ohm or Mho.
 Ohm.
 Mho.

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MORE MCQ ON Electric Circuits

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