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.

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

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

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

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Which of the following is a bilateral element?


aConstant current source

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bConstant voltage source

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cCapacitance

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dNone of the above

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View Answer Capacitance

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


anon-linear constraints

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blinear constraints

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cno constraints

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d none of the above

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View Answer linear constraints

The superposition theorem is applicable to____________?


alinear, non-linear and time variant responses

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b linear and non-linear resistors only

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clinear responses only

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dnone of the above

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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

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bparallel with each other

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cseries with the voltage source

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dparallel with the voltage source

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


aequal to the load resistance

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b less than the load resistance

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cmore than the load resistance

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dnone of the above

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Kirchhoff s law is not applicable to circuits with____________?


alumped parameters

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bpassive elements

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cdistributed parameters

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dnon-linear resistances

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Which of the following is non-linear circuit parameter?


a Inductance

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bCondenser

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cWire wound resistor

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dTransistor

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View Answer Transistor

An ideal voltage source should have______________?


alarge value of e.m.f.

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bsmall value of e.m.f.

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czero source resistance

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d infinite source resistance

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Kirchhoff s current law states that


anet current flow at the junction is positive

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bHebraic sum of the currents meeting at the junction is zero

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

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dtotal sum of currents meeting at the junction is zero

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