PPT-Electricity and Magnetism

Physics 208 Dr Tatiana Erukhimova Lecture 4 The approximation becomes exact if we let the number of chunks go to infinity and the volume of each chunk go to zero the sum then becomes an integral. Unit 15. Today’s Concept:. . Ampere’s Law. Unit 15. , Slide . 1. Electricity & Magnetism Lecture 15, Slide . 2. We know for an infinite current carrying wire. Ampere’s Law. But what is . 2. Topic 24. Polarization. - linear. - circular. Electricity & Magnetism Lecture 24, Slide . 1. So far we have considered plane waves that look like this:. From now on just draw . E. and remember that . What do doorbells, microwaves, and speakers all have in common? They all use . Electricity. and . Magnetism. . You experience Electricity and Magnetism in many areas of life, even if you don’t see it. . Unit 8: Capacitors. Today’s Concept:. Capacitors in a circuits . Dielectrics. Energy in capacitors. Unit . 8, Slide . 1. Where we are…….. Unit 8, Slide . 2. C. V. Q. Q. This “. Q. ” really means that the battery has . What is magnetism?. Force of attraction or repulsion due to electron arrangement. Magnetic forces are the strongest at the poles. Magnets have two poles: North and South. Magnetic poles and fields. Magnets always have two poles. simple electrical circuits – direct current DC. Alternating current (AC) vs direct current (DC). electric power distribution . household electricity. household wiring. Protection circuits - GFIC’s . Circuits. Electromagnets. Chapter 17 and 18. How can you produce electricity?.... right now!. The Law of Electric Charge. Like charges repel – push . away. Opposites attract. Electric Field. A region around a charged object in which an electric force is exerted on another charged object.. Static electricity. Why do I get a shock when I walk across the rug and touch the door knob?. Why do socks stick to my shirts in the dryer?. Why does my hair stick to my comb?. What is lightning?. What produces the aurora?. Section 1: Magnetism. Section 2: Electricity and Magnetism. Section 3: Producing Electric Current. Section 1: Magnetism. Magnetism. – the properties and interaction of . magnets. Magnetic field . – the . SPS10. Students will investigate the properties of electricity and magnetism.. Investigate static . electricity in terms of: friction, conduction, and induction.. Explain the flow of electrons in terms of:. Kevin Rolfe- Education Representative, Salt River Project. Sarah Sleasman- 4. th. Grade teacher, . Excelencia. Elementary. Robin Inskeep- STEM Coach, . Tolleson. School District. Agenda . Introductions and logistics. c. Investigate applications of magnetism and/or its relationship to the movement of electrical change as it relates to. Electromagnets. Simple . motors. Permanent . magnets. A. Magnetic . Forces. An object that does NOT conduct electricity…. insulator. The measure of how much a material opposes the flow of current…. resistance. A circuit that has only one path that electricity can follow…. Magnets. permanent magnets. e. lectromagnets. t. he Earth’s magnetic field. magnetic forces. applications. Magnetism. 2. Magnetism. two sources of magnetism. permanent magnets. Electromagnets . (currents in wires).