Electrical Engineering MCQs

Page No. 239

Choose the incorrect statement: A branch formed by the parallel connection………


aA branch formed by the parallel connection of any resistor R and open circuit has the characteristic of an open circuit.


bA branch formed by the parallel connection of any resistor R and a short circuit has the characteristic of a short circuit


cA branch formed by the series connection of any resistor R and an open circuit has the characteristic of an open circuit.


dA branch formed by the series connection of any resistor R and a short circuit has the characteristic of resistor R



Which of the following is a bilateral element?


aConstant current source


bConstant voltage source


cCapacitance


dNone of the above


View Answer Capacitance

Between the branch voltages of a loop the Kirchhoff s voltage law imposes_____________?


anon-linear constraints


blinear constraints


cno constraints


d none of the above


View Answer linear constraints

The superposition theorem is applicable to____________?


alinear, non-linear and time variant responses


b linear and non-linear resistors only


clinear responses only


dnone of the above


View Answer linear responses only

In a series parallel circuit, any two resistances in the same current path must be in___________?


aseries with each other


bparallel with each other


cseries with the voltage source


dparallel with the voltage source



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


aequal to the load resistance


b less than the load resistance


cmore than the load resistance


dnone of the above



Kirchhoff s law is not applicable to circuits with____________?


alumped parameters


bpassive elements


cdistributed parameters


dnon-linear resistances



Which of the following is non-linear circuit parameter?


a Inductance


bCondenser


cWire wound resistor


dTransistor


View Answer Transistor

An ideal voltage source should have______________?


alarge value of e.m.f.


bsmall value of e.m.f.


czero source resistance


d infinite source resistance



Kirchhoff s current law states that


anet current flow at the junction is positive


bHebraic sum of the currents meeting at the junction is zero


cno current can leave the junction without some current entering it.


dtotal sum of currents meeting at the junction is zero



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