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Related Concept Videos

Mesh Analysis with Current Sources01:10

Mesh Analysis with Current Sources

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Mesh analysis becomes simpler when analyzing circuits with current sources, whether independent or dependent. The presence of current sources reduces the number of equations required for analysis. Two cases illustrate this:
Current Source in One Mesh: The analysis process is straightforward when a current source is found in only one mesh within the circuit. Mesh currents are assigned as usual, with the mesh containing the current source excluded from the analysis. Kirchhoff's voltage law...
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Electrical Current01:10

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Electrical current is defined as the rate at which charge flows. When there is a large current present, such as that used to run a refrigerator, a large amount of charge moves through the wire in a small amount of time. If the current is small, such as that used to operate a handheld calculator, a small amount of charge moves through the circuit over a long period of time. The SI unit for current is the ampere (A), named for the French physicist André-Marie Ampère (1775–1836).
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Significance of Displacement Current01:27

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A displacement current is analogous to a real current in Ampère's law, participating in Ampère's law the same way as the usual conduction current. However, it is produced by a changing electric field. Displacement current is defined in terms of a time-varying electric field, and also has an associated displacement current density. By adding a term accounting for displacement current, Maxwell modified the existing Ampère's law, which is now called generalized Ampère's law.
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Trends in nursing are multifactorial and associated with changes in society, within the nursing profession, and in other professions. Notably, telehealth and remote nursing contribute to successful healthcare delivery for numerous patients and help reduce stress for nurses due to nursing shortages. Nurses can reach patients, monitor their conditions, and interact with them using computers, audio, visual accessories, and telephones—for example, remote patient monitoring systems. Likewise,...
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Charge and Current01:14

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Electric charge is the most fundamental quantity in an electric circuit. The effects of electric charge are encountered daily, such as when a wool sweater sticks to the human body or when a person receives a shock while walking on a carpet.
Charge is an inherent property of the atomic particles that make up matter and is measured in units called coulombs (C). Matter is composed of atoms, each consisting of electrons, protons, and neutrons. Electrons have a negative charge (-e), while protons...
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Related Experiment Video

Updated: Jan 21, 2026

Deriving the Time Course of Glutamate Clearance with a Deconvolution Analysis of Astrocytic Transporter Currents
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Reframing NCDs? An analysis of current debates.

Kafui Adjaye-Gbewonyo1, Megan Vaughan1

  • 1a Institute of Advanced Studies, University College London , London , UK.

Global Health Action
|August 1, 2019
PubMed
Summary

The division between communicable and non-communicable diseases (NCDs) is debated. Reframing NCDs acknowledges infections, social factors, and structural determinants for better health interventions.

Keywords:
Non-communicable diseasesepidemiologyhealth transitionssocial determinants of health

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Area of Science:

  • Public Health
  • Epidemiology
  • Medical Sociology

Background:

  • The traditional division between communicable and non-communicable diseases (NCDs) is increasingly questioned.
  • Critiques highlight the role of infections in NCD etiology and the communicability of social determinants.
  • Current framing of NCDs often overemphasizes individual behaviors, neglecting broader socio-political and environmental factors.

Purpose of the Study:

  • To provide a historical overview of non-communicable disease (NCD) terminology.
  • To analyze contemporary debates surrounding the naming and framing of NCDs.
  • To argue for a more inclusive conceptualization of disease.

Main Methods:

  • Historical analysis of NCD terminology.
  • Review of recent academic and public health debates on NCD framing.
  • Synthesis of insights from social epidemiology, health promotion, medical anthropology, and demography.

Main Results:

  • The current framing of NCDs may lead to insufficient data collection and ineffective interventions.
  • A lack of critical reflection on NCD assumptions can result in inadequate care.
  • Interdisciplinary approaches are crucial for improving NCD strategies.

Conclusions:

  • Reframing NCDs requires acknowledging the interplay of infectious agents, social determinants, and structural factors.
  • Concepts like multimorbidity and syndemics, alongside ecosocial theory, offer promising avenues.
  • Adopting social science perspectives can enhance the impact and efficacy of NCD interventions.