SKILL DEVELOPMENT COURSES
SCIENCE STREAM
Syllabus of
ELECTRICAL APPLIANCES
UNIT-I
Voltage, Current, Resistance, Capacitance, Inductance, Electrical conductors and Insulators,
Ohm's law, Series and parallel combinations of resistors, Galvanometer, Ammeter,
Voltmeter, Multi meter, Transformers, Electrical energy, Power, Kilowatt hour (kWh),
consumption of electrical power
UNIT-II
Direct current and alternating current,RMS and peak values, Power factor, Single phase and
three phase connections , Basics of House wiring , Star and delta connection , Electric shock,
First aid for electric shock, Overloading , Earthing and its necessity, Short circuiting , Fuses ,
MCB , ELCB, Insulation, Inverter, UPS
UNIT-III
Principles of working, parts and servicing of Electric fan, Electric Iron box, Water heater;
Induction heater, Microwave oven; Refrigerator, Concept of illumination, Electric bulbs,
CFL, LED lights, Energy efficiency in electrical appliances, IS codes & IE codes.