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Electric Circuits

Electric Circuits
Which of the following Y-parameters is dimensionless?

 Y11.
 none of these.
 Y12.
 Y22.

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Electric Circuits
Which quantity should be measured by the voltmeter ?

 Current
 Voltage
 Speed
 Power

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (4 + j2 ) pu
 (3 + j4) pu
 (4 + j3) pu
 (2 + j4) pu

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 None of them
 -27.4 V.
 34.4 V.
 -28.4 V.

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Electric Circuits
A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short circuited?

 100 A.
 1 A.
 600 A.
 6 A.

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 0.35 mA.
  0.25 mA.
 1 mA.
 0.5 mA.

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