'Magnetic field changes' diaporamas de présentation

Plate Tectonics

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Electromagnetism

798 views • 45 slides

Electromagnetic Induction

618 views • 34 slides

Magnetism

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A P Physics Monday 14.04.21

Warm Up What is the Conservation of Energy Equation for Thermodynamics & for Fluids? . A P Physics Monday 14.04.21. Standards: Therm & Fluids Objective: SWBAT recall the major concepts of fluids and thermodynamics. . Agenda Warm Up Pass Back AP Exams Collect HW

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IGNITION SYSTEMS

IGNITION SYSTEMS. Columbia Basin College. IGNITION FUNCTION. Produces 30,000 volt spark across spark plug Distributes high voltage spark to each spark plug in correct sequence Times the spark so it occurs as piston is nearing top dead center

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Today: Chapter 25 (Magnetic Induction)

Please pick up your midterm and solution set from front of class if you have not already. Homework due today On Tuesday May 6, Dr. Yonatan Abranyos will teach. Today: Chapter 25 (Magnetic Induction).

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IGNITION SYSTEMS

IGNITION SYSTEMS. IGNITION FUNCTION. Produces 30,000 volt spark across spark plug Distributes high voltage spark to each spark plug in correct sequence Times the spark so it occurs as piston is nearing top dead center Varies spark timing with load, speed, and other conditions.

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Today: Chapter 25 (Magnetic Induction)

Please pick up your midterm and solution set from front of class if you have not already. Homework due today. Today: Chapter 25 (Magnetic Induction). Note: Teacher evaluation period has begun. Please check your email for instructions from Hunter. . Electromagnetic Induction.

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Magnetism

Magnetism. Electrons produce electric fields. Moving electrons produce magnetic fields. Electron spin produces the major portion of an objects magnetic field. MOST elements have electrons with opposite spins, which cancel each other. Magnetism.

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Electricity

Electricity. Charge. Defn : Property of matter that determines how it will interact with other matter via the electrostatic force; opposite charges attract, like repel. All atoms are composed of subatomic particles that contain charge; equal amounts of + and - results in neutrality.

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What is Magnetism?

What is Magnetism?. Magnet. Magnet: Any material that attracts iron and materials that contain iron. Magnetite: A magnetic material found in rocks Magnetism: The attraction or repulsion of magnetic materials. 3 Properties of Magnetism. 1. Magnets attract iron or materials that contain iron.

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11 year cycle Sun spots Solar Flares

11 year cycle Sun spots Solar Flares. 11 year cycle. X-ray images of the Sun, showing changes in the corona in 1991 (left) at a solar maximum to 1995, a solar minimum (right). 11 year cycle.

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Electricity and magnetism connection

Electricity and magnetism connection. History. In 1820 Hans Christian Oersted discovered electricity passing through a wire created a magnetic field However the only way to create an electric current at the time was reacting expensive materials (forerunner to a modern battery)

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Electromagnetic Induction

Electromagnetic Induction. Chapter 37. Electromagnetic Induction. Both Michael Faraday (England) and Joseph Henry (U.S.) discovered that electric current could be produced in a wire by simply moving a magnet in or out of a wire coil

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EMF and Induced Currents

EMF and Induced Currents. Magnetic Flux. Magnetic flux is defined as the number of field lines passing through an area. Flux = ? = BA cos ? It follows that (T)(m 2 ) is a unit for flux. Note 1 T m 2 = 1 Wb 1 Wb is one Weber. Example.

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T ransformer

T ransformer. Gao Yan Gabriel Leow Zihui. What is a transformer?. A transformer is an electrical device that takes electricity of one voltage and changes it into another voltage. How does a transformer work. First, in an electric circuit, there is magnetism around it.

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ADV/TEC 3: Introducing Capacitors and Inductors

ADV/TEC 3: Introducing Capacitors and Inductors. Introductory mini-lecture. Capacitors. A capacitor is any two conductors separated by an insulator Voltage across a capacitor is proportional to the charge on each plate, q = C v. Capacitors. Apply voltage v = V 0 e j ? t

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By Nicolas 6B

Aurora. By Nicolas 6B. What is it?.

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Core - 15 million °K- where nuclear fusion of hydrogen to helium takes place. May take the energy many years to reach the surface. Radiation Zone- 5-10 million °K- gets name because energy is carried through the zone by electromagnetic radiation in the form of packets of energy called photons.

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