The sinusoidal waveform of an ac circuit shows that the: <-90% O the current is leading the applied voltage by 90 O applied voltage is leading the current by 90 O applied voltage is lagging the current by 90 applied voltage is in phase with the current

The sinusoidal waveform of an ac circuit shows that the: <-90% O the current is leading the applied voltage by 90 O applied voltage is leading the current by 90 O applied voltage is lagging the current by 90 applied voltage is in phase with the current

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

FEA for Dynamic Problems

Finite element analysis or FEA is a computational tool that evaluates the approximate solution for a particular engineering problem. The tools provided by FEA help to evaluate the solutions of partial differential equations (PDEs) computationally following a numerical approach. Solutions of the PDEs can also be performed by following traditional algebraic approaches, but when the problem gets towards the complex side, it becomes very tedious and almost impossible to arrive at the solutions. In such cases, the FEA fulfills the purpose by evaluating the equations following multiple time steps and iterations. The more the time steps and iterations, the more accurate the solution. The solution plotted by FEA analysis and mathematical approaches varies asymptotically.

Question

The sinusoidal waveform of an ac circuit shows that the:
<-90%
O the current is leading the applied voltage by 90
O applied voltage is leading the current by 90
O applied voltage is lagging the current by 90
applied voltage is in phase with the current

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