Magnetism and Electromagnetism grades 9-12 - Center for Science
ELECTROMAGNETISM. ELECTROMAGNETISM ????? ELECTROMAGNETISM THE BRANCH OF PHYSICS THAT DEALS WITH THE...
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Transcript of ELECTROMAGNETISM. ELECTROMAGNETISM ????? ELECTROMAGNETISM THE BRANCH OF PHYSICS THAT DEALS WITH THE...
ELECTROMAGNETISMELECTROMAGNETISM
THE BRANCH OF PHYSICS THAT DEALS THE BRANCH OF PHYSICS THAT DEALS WITH THE RELATIONSHIP BETWEEN WITH THE RELATIONSHIP BETWEEN
ELECTRICITY & MAGNETISMELECTRICITY & MAGNETISM
DETERMINING THE DETERMINING THE DIRECTION OF THE DIRECTION OF THE
MAGNETIC FIELD AROUND MAGNETIC FIELD AROUND CURRENT CARRYING CURRENT CARRYING
CONDUCTORCONDUCTORTHUMB-DIRECTION OF ELECTRONS
FLOWFINGERS—MAGNETIC FLUX LINES
COIL OF WIRE CARRYING COIL OF WIRE CARRYING ELECTRICAL CURRENT IS ELECTRICAL CURRENT IS
CALLED SOLENOIDCALLED SOLENOID
ELECTROMAGNETIC ELECTROMAGNETIC INDUCTION:INDUCTION:
AN ELECTRIC CURRENT IS INDUCED IN AN ELECTRIC CURRENT IS INDUCED IN IN A CIRCUIT IF SOME PART OF THIS IN A CIRCUIT IF SOME PART OF THIS
CIRCUIT IS IN A CHANGING MAGNETIC CIRCUIT IS IN A CHANGING MAGNETIC FIELDFIELD
E.M. INDUCTIONE.M. INDUCTION
STATIONARY CONDUCTOR + MOVING MAGNET
STATIONARY MAGNET + MOVING CONDUCTOR
ELECTROMAGNET WITH A/C CURRENT + STATIONARY CONDUCTOR
FARADAY’S LAW FARADAY’S LAW
MAGNITUDE OF INDUCED CURRENT MAGNITUDE OF INDUCED CURRENT DEPENDS ONDEPENDS ON
THE STRENGTH OF MAG. FIELD THE VELOCITY OF MAG. FIELD THE ANGLE OF THE CONDUCTOR TO THE
MAG. FIELD THE NUMBER OF TURNS IN THE
CONDUCTOR
ELECTRIC GENERATORELECTRIC GENERATOR ( DYNAMO)—A DEVICE ( DYNAMO)—A DEVICE
THAT CONVERTS THAT CONVERTS MECHANICAL ENERGY TO MECHANICAL ENERGY TO ELECTRICAL ENERGY BY ELECTRICAL ENERGY BY
E.M. INDUCTIONE.M. INDUCTION
ELECTRIC MOTORELECTRIC MOTOR-A -A DEVICE THAT CONVERTS DEVICE THAT CONVERTS ELECTRICAL ENERGY TO ELECTRICAL ENERGY TO
MECHANICAL ENERGYMECHANICAL ENERGY
INDUCTION MOTOR INDUCTION MOTOR ROTATES THE ANODE IN ROTATES THE ANODE IN
THE MODERN X-RAY TUBESTHE MODERN X-RAY TUBES