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Electric Circuits

Electric Circuits
The rms value of the voltage U(t)= 3 + 4cos(3t)

  4.123 V.
 {3 + 2(1.141)} V.
 7 V.
  5 V.

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is

 N - 1.
 b - N + 1.
 N.
 b - N - 1.

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Electric Circuits
Which of the following theorems can be applied to any network- linear or nonlinear, active or passive, time variant or time invariant?

 Millman theorem.
 Thevnin theorem.
 Tellegen theorem.
 Norton Theorem.

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Electric Circuits
The rms value of sine wave is 100 A. Its peak value is

 141.4 A.
 70.7 A.
 150 A.
 282.8 A.

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Electric Circuits
For ideal tank circuit, what is the value of dynamic admittance?

 ∞
 Both
 0
None of these

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Electric Circuits
The terminals across the source are ___________ if a voltage source is to be neglected.

 replaced by a series resistance.
 short circuited.
 replaced by a shunt resistance.
 open circuited.

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