PPT-1 L 27 Electricity & Magnetism [5]

Magnets permanent magnets e lectromagnets t he Earths magnetic field magnetic forces applications Magnetism 2 Magnetism two sources of magnetism permanent magnets Electromagnets currents in wires. 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. Magnetism is the property of attracting iron by a magnet.. A magnet is an object made of certain materials like iron which can create a magnetic field around it. If there are things made of iron in this field (region) they are attracted by the magnet.. 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. . A unit of measure of . magnetic field strength. , the _____________, is named after him.. connected. oersted. Electricity and Magnetism. How can an electric charge create a magnetic field?. . How is an electromagnet controlled?. The Periodic Table. Everything in the world is made up of . elements. Invented by: . Dimitri. . Mendeleeve. There are a total of . 111 known elements. Periodic Table. On the periodic table located in the . 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. 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?. simple electrical circuits – direct current DC. Alternating current (AC) vs direct current (DC). electric power distribution . household electricity. household wiring. Protection circuits - GFIC’s . 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:. Their Applications. An Engineer’s Simplified Model. William A. Stapleton, Ph.D.. Ingram School of Engineering. Texas State University – San Marcos. Models. Scientists attempt to understand the way the world works. . 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. Magnetism from electricity. In 1820, Danish scientist . Hans . Christian . Oersted. discovered accidently that when electricity passed through a wire…a magnetic field was created. Which way would the compass needles point if we placed them around the wire?. :. II. B.. Sc., . PHYSCIS. SUBJECT- INCHARGE. :. Mrs.. T. KAVITHA. SUBJECT NAME. :. ELECTRICITY. MAGNITISM . & . ELECTRO MAGNETISM. SUBJECT CODE. :. 16SCCPH4. TOPIC. :. MAG. NETIC MATERIALS. IDHAYA .