Linear lumped parameter models are not valid under situations as:

Linear lumped parameter models are not valid under situations as: Correct Answer Transmission pipe causes the time lag and loss of heat by conduction and convection

Linear lumped parameter models are the models that simplifies the description of the behaviour of spatially distributed physical systems into a topology consisting of discrete systems and not valid when the pure time lags are negligible compared to other lags in the system.
Bissoy MCQ

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1. Gift made during marz-ul-maut to a heir is valid without the consent of other heirs under Sunnite law
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Lumped parameter analysis for transient heat conduction is essentially valid for
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