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Electric Circuits

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

 b - N + 1.
 b - N - 1.
 N.
 N - 1.

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Electric Circuits
When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells

 in either series or parallel.
 mixed.
 in parallel.
 as in series.

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Electric Circuits
The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 100 Ohms.
 200 Ohms.
 25 Ohms.
 50 Ohms.

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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?

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

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Electric Circuits
The lead acid cell should not never be discharged beyond

 2 V.
 1.8 V.
 1.9 V.
 2.1 V

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Electric Circuits
In 2 port network Z12 = Z21 indicates which property

 unilateral.
 bilateral.
 linear.
 non linear.

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MORE MCQ ON Electric Circuits

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