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Electric Circuits

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?

 6 A.
 100 A.
 600 A.
 1 A.

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Electric Circuits
Which of the following materials has highest electrical conductivity ?

  Aluminium.
  Steel.
  Copper.
  Silver.

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Electric Circuits
A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is

 480∠45o V.
 339∠- 45o V.
 339∠45o V.
 480∠ - 45o V.

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Electric Circuits
Reciprocity condition for h parameters is

 h12 = h21.
 h11h22 - h21h12 = 0.
 h12 = - h21.
 h12 = h21.

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Electric Circuits
Which property is used to oppose the flow of current ?

 Poteintial difference
 Inductance
 Resistance
 Capacitance

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Electric Circuits
The Norton equivalent of a network is given as IN = 4A and RN = 2 Ohm. When this circuit is connected across a 2 Ohm load, the current through the load is

 0 A.
 4 A.
 2 A.
 1 A.

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