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Related Concept Videos

Induced Electric Fields: Applications01:27

Induced Electric Fields: Applications

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An important distinction exists between the electric field induced by a changing magnetic field and the electrostatic field produced by a fixed charge distribution. Specifically, the induced electric field is nonconservative because it does not work in moving a charge over a closed path. In contrast, the electrostatic field is conservative and does no net work over a closed path. Hence, electric potential can be associated with the electrostatic field but not the induced field. The following...
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Induced Electric Fields01:23

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The fact that emfs are induced in circuits implies that work is being done on the conduction electrons in the wires. What can possibly be the source of this work? We know that it’s neither a battery nor a magnetic field, as a battery does not have to be present in a circuit where current is induced, and magnetic fields never do any work on moving charges. The source of the work is in fact an electric field that is induced in the wires. For example, if a stationary conductor is placed in a...
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Electric Generator: Alternator01:25

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Electric generators induce an emf by rotating a coil in a magnetic field. A simple alternator is an AC generator that creates electrical energy that varies sinusoidally with time. A simple alternator consists of a conducting loop that is placed inside a uniform magnetic field. The loop is connected to split rings connected to the external circuit with the help of brushes.
The magnetic flux passing through the coil varies sinusoidally as the loop rotates inside the magnetic field. This...
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Electric Potential Energy01:20

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When an electric field accelerates a free positive charge q, it is given kinetic energy. The process is analogous to an object accelerated by a gravitational field as if the charge were going down an electrical hill where its electric potential energy is converted into kinetic energy. Of course, the sources of the forces are very different. The work done on a charge q by the electric field in this process helps to develop a definition of electric potential energy.
The electrostatic or Coulomb...
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Electrical Energy01:10

Electrical Energy

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Using electric appliances for a longer period of time consumes more electrical energy and results in a higher electric bill. The energy produced by the transfer of electrons from one point to another is known as electrical energy. If power is delivered at a constant rate, the electrical energy can be defined as the product of power used by the device for a period of time. The energy unit on electric bills is the kilowatt-hour, where one kilowatt-hour is equivalent to 3.6 × 106 joules.
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Electrical Power01:07

Electrical Power

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Electric power is the product of current and voltage, represented in units of joules per second, or watts. For example, cars often have one or more auxiliary power outlets with which you can charge a cell phone or other electronic devices. These outlets may be rated at 20 amps and 12 volts, so that the circuit can deliver a maximum power of 240 watts. Consider a 25 Watt bulb and a 60 Watt bulb. The conversion of electrical energy produces heat and light, while the kinetic energy lost by the...
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Dataset on Electric Road Mobility: Historical and Evolution Scenarios until 2050.

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Electric vehicle (EV) adoption is key for carbon neutrality by 2050. This study forecasts EV penetration globally and in Europe, considering technology, policy, and consumer behavior for future planning.

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Area of Science:

  • Environmental Science
  • Transportation Engineering
  • Energy Policy

Background:

  • Growing need for carbon neutrality by 2050 drives electric vehicle (EV) adoption.
  • Predicting future electric mobility is complex due to technological, regulatory, and consumer factors.
  • EVs are crucial for decarbonizing the transport sector.

Purpose of the Study:

  • To forecast EV penetration globally and in specific European countries (Portugal, Denmark, Greece, Slovenia) up to 2050.
  • To analyze the impact of technological advancements, regulatory policies, and consumer behavior on EV adoption.
  • To provide essential data for EV mass deployment strategies and energy demand projections.

Main Methods:

  • Scenario-based projections utilizing public entity and consultant reports.
  • Extensive literature review on EV markets, charging infrastructure, and electricity demand.
  • Estimation approach for EV forecast considering defined electrification targets.

Main Results:

  • Data gathered covers various time horizons for EV penetration worldwide and in Europe.
  • Projections address EV markets, charging infrastructure needs, and associated electricity demand.
  • The study provides a dataset for demand projection by 2050.

Conclusions:

  • Accurate EV forecasting is vital for achieving 2050 carbon neutrality goals.
  • The developed dataset serves as a critical input for future research on EV mass deployment.
  • Understanding influencing factors is key to successful electric mobility transition.