NETWORKS ANALYSIS AND SYNTHESIS QUIZ

Thevenin resistance Rth is found

by removing voltage sources along with their internal resistances

by short-circuiting the given two terminals

between any two ‘open’ terminals

between same open terminals as for Etk

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According to Kirchhoff’s voltage law, the algebraic sum of all IR drops and e.m.f. in any closed loop of a network is always

Positive

Negative

Determined by battery e.m.f.

Zero

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The superposition theorem is applicable to

Linear responses only

Linear and nonlinear resistors only

None of these

Linear, nonlinear and time variant responses

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Kirchhoff’s law is applicable to

C. circuits only

Both A.C. as well D.C. circuits

C. circuits only

Passive networks only

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Kirchhoff’s voltage law is related to

Both B and C

IR drops

Junction currents

Battery e.m.f.

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For high efficiency of transfer of power, internal resistance of the source should be

Equal to the load resistance

Less than the load resistance

None of these

More than the load resistance

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An ideal voltage source should have

Small value of e.m.f.

Large value of e.m.f.

Infinite source resistance

Zero source resistance

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Kirchhoff’s current law is applicable to only

Junction in a network

Electric circuits

Closed loops in a network

Electronic circuits

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The resistance LM will be

6.66 Q

18 Q

12 Q

20 Q

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A star circuit has element of resistance R/2. The equivalent delta elements will be

3/2R

R/6

RIG

4R

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