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Electric Circuits

Electric Circuits
Mesh analysis is prefered when loops are------nodes

 any of the above
 greater than
 less than
 equals to

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Electric Circuits
What is I1 in the given circuit?

  3 A.
  0.5 A.
  1 A.
  1.5 A.

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Electric Circuits
Efficiency of electrical machines should be calculated by measuring

 losses.
 output and input.
 losses and output.
 losses and input.

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Electric Circuits
If P is the power of a star connected system then what will be power of an equivalent delta connected system?

 3P
None of these
 P
 P/3

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Electric Circuits
Current locus is obtained by which of the following?

 Varying any one of the circuit element
 Either of these
 Varying source frequency
None of these

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Electric Circuits
When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by

 σ ω ε.
 ω ε/σ.
 ω σ/ε.
  σ/ω ε.

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