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Electric Circuits

Electric Circuits
Which quantity should be measured by the voltmeter ?

 Power
 Current
 Voltage
 Speed

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Electric Circuits
While Thevenizing a circuit between two terminals, VTH is equal to

 none of these.
 net voltage available in the circuit.
 open circuit terminal voltage .
 short circuit terminal voltage.

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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
Bulb in street lighting are connected in

 end of end.
 series parallel.
 parallel.
 series.

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 1.
 0.
 infinite.
 indeterminate.

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Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 0.5
 2.56
 1
 3.149

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