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Electric Circuits

Electric Circuits
There is a ________ between two nodes of signal flow graph

 link
 tree
None of these
 branch

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Electric Circuits
For the circuit shown in the given figure the current I is given by

 1 A.
 4 A.
 2 A.
 3 A.

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 36.36.
 66.66.
 40.25.
 76.66.

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Electric Circuits
A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is

  8.85 A.
  5 A.
  zero.
  50 A.

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Electric Circuits
Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch?

  No.
  Single way switch doesn exist.
  Single way switch doesn operate at such current ratings.
  Yes.

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Electric Circuits
For cadium plating electrolyte used is

 cadmium hexa metaphosphate.
 cadmium sulphate and sulphuric acid.
 sodium cyanide, cadmium and caustic soda.
 any of above.

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MORE MCQ ON Electric Circuits

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