Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Biot-Savart Law: Problem-Solving00:59

Biot-Savart Law: Problem-Solving

3.7K
The magnitude and direction of a magnetic field created by a steady current can be calculated using the Biot-Savart law.
Consider a mobile phone battery bank as a source of steady current, which flows through the wire connected between the two. What is the magnitude of the magnetic field created by this current at a field point P?
To estimate the magnitude of the total magnetic field, we first consider a small current element of length dl, at a distance r from the field point. Now the following...
3.7K
Maximum Power Transfer01:16

Maximum Power Transfer

1.2K
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
1.2K
Magnetic Field Due To A Thin Straight Wire01:27

Magnetic Field Due To A Thin Straight Wire

5.1K
Consider an infinitely long straight wire carrying a current I. The magnetic field at point P at a distance a from the origin can be calculated using the Biot-Savart law.
5.1K
Magnetic Field Due to Two Straight Wires01:18

Magnetic Field Due to Two Straight Wires

5.2K
Consider two parallel straight wires carrying a current of 10 A and 20 A in the same direction and separated by a distance of 20 cm. Calculate the magnetic field at a point "P2", midway between the wires. Also, evaluate the magnetic field when the direction of the current is reversed in the second wire.
5.2K
The Maximum Power Transfer Theorem01:20

The Maximum Power Transfer Theorem

1.4K
Consider a linear AC Thevenin equivalent circuit connected to a load impedance.
The load connected draws the current, and the circuit delivers the power to the load. The alternating current flowing through the load is determined using the rectangular form of voltages, currents, network impedance, and load impedance. The average power delivered to the load is obtained from the product of the square of current and load resistance.
1.4K
Propagation Speed of Electromagnetic Waves01:30

Propagation Speed of Electromagnetic Waves

3.1K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Effect of Mechanical Polishing on Rice Flavor: Comparison and Exploration of Key Aroma Characteristics Components.

Foods (Basel, Switzerland)·2026
Same author

Combined inhibition of BETs and HDACs as a potential epigenetics-based therapy for malignant rhabdoid tumor.

Cell death & disease·2026
Same author

Arginine metabolism and the NF-ĸB pathway jointly regulate the airway inflammation in asthma mediated by ILC2s.

International immunopharmacology·2026
Same author

Debranching and OSA esterification of waxy maize starch: effects on nanoparticle properties and emulsion performance.

Food chemistry: X·2026
Same author

Lactylation-driven PDLIM1/PDAP1 axis remodels the inflammatory landscape of acute lung injury: mechanistic insights and precision intervention.

Frontiers in immunology·2026
Same author

Sanguinarine triggers apoptosis and ferroptosis synchronously by directly binding BiP in lung squamous cell carcinoma.

Chinese journal of natural medicines·2026

Related Experiment Video

Updated: Apr 27, 2026

In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System
06:45

In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System

Published on: July 2, 2020

4.1K

Parameters optimization for magnetic resonance coupling wireless power transmission.

Changsheng Li1, He Zhang1, Xiaohua Jiang1

  • 1ZNDY of Ministerial Key Laboratory, Nanjing University of Science and Technology, Nanjing 210094, China.

Thescientificworldjournal
|June 25, 2014
PubMed
Summary
This summary is machine-generated.

This study optimizes wireless power transmission using magnetic resonance coupling for maximum and stable power delivery. Enhancing system resonance frequency and coil coupling improves transmission stability and reduces load power sensitivity.

More Related Videos

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

18.6K
MRM Microcoil Performance Calibration and Usage Demonstrated on Medicago truncatula Roots at 22 T
10:22

MRM Microcoil Performance Calibration and Usage Demonstrated on Medicago truncatula Roots at 22 T

Published on: January 16, 2021

6.0K

Related Experiment Videos

Last Updated: Apr 27, 2026

In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System
06:45

In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System

Published on: July 2, 2020

4.1K
Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

18.6K
MRM Microcoil Performance Calibration and Usage Demonstrated on Medicago truncatula Roots at 22 T
10:22

MRM Microcoil Performance Calibration and Usage Demonstrated on Medicago truncatula Roots at 22 T

Published on: January 16, 2021

6.0K

Area of Science:

  • Electrical Engineering
  • Electromagnetics
  • Power Electronics

Background:

  • Wireless power transmission (WPT) systems are increasingly important for portable electronics and electric vehicles.
  • Magnetic resonance coupling offers efficient mid-range wireless power transfer.
  • Optimizing WPT systems for both maximum power and stability is crucial for practical applications.

Purpose of the Study:

  • To perform an optimal design of a wireless power transmission system based on magnetic resonance coupling.
  • To achieve maximum power transmission and stable power transmission.
  • To investigate methods for enhancing power transmission stability through parameter optimization.

Main Methods:

  • Derivation of mathematical expressions for optimal coupling coefficients based on a mutual coupling model.
  • Investigation of parameter optimization techniques to enhance power transmission stability.
  • Analysis of the sensitivity of load power to transmission parameters.

Main Results:

  • Optimal coupling coefficients for maximum power transmission were mathematically deduced.
  • Methods to enhance power transmission stability were identified through parameter optimization.
  • Reducing the sensitivity of load power to transmission parameters was achieved by improving system resonance frequency or coupling coefficients.

Conclusions:

  • The optimal design of wireless power transmission systems based on magnetic resonance coupling can achieve both maximum and stable power transfer.
  • Improving system resonance frequency and coil coupling are effective strategies for enhancing power transmission stability.
  • Experimental results validate the theoretical analysis and optimal design principles.