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Related Concept Videos

Vision01:24

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
Applications of RC Circuits01:22

Applications of RC Circuits

A relaxation oscillator is one of the applications of RC circuits. A neon lamp relaxation oscillator comprises a capacitor, a resistor, a voltage source, and a lamp. The lamp acts like an open circuit, with infinite resistance until the potential difference across the lamp reaches a specific voltage. At that voltage, the lamp acts like a short circuit with zero resistance, and the capacitor discharges through the lamp, thus producing light. Once the capacitor is fully discharged through the...
RC Circuit without Source01:16

RC Circuit without Source

When a DC source is abruptly disconnected from an RC (Resistor-Capacitor) circuit, the circuit becomes source-free. Assuming that the capacitor was fully charged before the source was removed, its initial voltage, denoted as V0, can be considered as the initial energy that stimulates the circuit.
Applying Kirchhoff's current law at the top node of the circuit and substituting the current values across the components, a first-order differential equation is obtained. By rearranging the terms in...
RC Circuit with Source01:15

RC Circuit with Source

When a DC source is abruptly applied to an RC (Resistor-Capacitor) circuit, the voltage can be represented as a unit step function. The voltage across the capacitor, known as the step response, characterizes how the circuit reacts to this sudden change in input.
Due to the inherent properties of a capacitor, its voltage cannot change instantaneously. This means that immediately after the switch is closed, the capacitor's voltage remains the same as it was just before the switch was closed.
By...
Comparison between RL and RC circuits01:24

Comparison between RL and RC circuits

An RC circuit consists of resistance and capacitance, while in an RL circuit, capacitance is replaced by an inductor. RL and RC circuits are first-order differential circuits that store energy. An RC circuit stores energy in the electric field, while an RL circuit stores energy in the magnetic field. When connected to a battery, an RC circuit charges the capacitor, causing the current to decrease from maximum to zero upon being fully charged. This increases the voltage across the capacitor from...
RL Circuits01:14

RL Circuits

An RL circuit consists of a resistor and an inductor and may have a source of emf connected to it. The inductor in the circuit helps to prevent rapid changes in current, which can be helpful if a steady current is required but the external source has a fluctuating emf. Consider an open RL circuit connected to a source of constant emf. As soon as the circuit is closed, the current begins to increase at a rate that depends only on the value of the inductance in the circuit. The greater the...

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Related Experiment Video

Updated: Jun 19, 2026

New Features in Visual Dynamics 3.0
05:00

New Features in Visual Dynamics 3.0

Published on: August 9, 2024

A new vision for RCN forums.

Fiona Smith

    Paediatric Nursing
    |November 6, 2009
    PubMed
    Summary
    This summary is machine-generated.

    The Royal College of Nursing has updated its children and young people

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    Area of Science:

    • Nursing Practice
    • Pediatric Healthcare
    • Professional Development

    Background:

    • The Royal College of Nursing (RCN) forums required modernization to better support members.
    • Existing structures did not optimally address the needs of the children and young people's field of practice.

    Purpose of the Study:

    • To reconfigure the children and young people's field of practice within the RCN.
    • To enhance engagement and communication strategies for RCN members.
    • To improve service delivery for children and young people.

    Main Methods:

    • Overhaul of existing RCN forum structures.
    • Reconfiguration of the children and young people's professional network.
    • Modernization of communication and engagement protocols.

    Main Results:

    • A newly reconfigured children and young people's field of practice has been established.
    • Streamlined ways of working, communication, and engagement have been implemented.
    • Improved capacity to serve RCN members and the pediatric population.

    Conclusions:

    • The RCN's forum overhaul successfully modernized its children and young people's practice area.
    • Enhanced communication and engagement strategies better support nursing professionals and young patients.
    • This initiative represents a significant step in advancing pediatric nursing within the RCN.