b. Booster pump( induction type)
8. To study the construction, working and maintenance of heat pumps( Air conditioner / Refrigerator)
9. Elementary idea about A. C. generator – Distribution of electrical energy, transmission at high voltage, energy losses during transmission.
10. Outline the principles of working of Washing Machine and locating faults.
11. Microwave – Outline the working principle and maintenance of a microwave.
Suggestive Laboratory Equipment:
Electrical appliances, wires, holders, voltmeter, ammeter, solar cells, soldering machine, three pin socket, fuse, fuse wire, battery, screw driver, voltage stabilizer, transformer, resistors, dry cells, rheostat, key.
Different activities need specific electronic gadgets which is left to the discretion of the teacher.
Qualification of the teacher:
Teacher with a B. Sc.( Hons.) in Electronics or B. Sc. with Electronics as a subject or an equivalent Diploma from a recognised University or Institute is eligible for taking the subject.
Product Outcome:
The students will prepare certain electrical devices like electric bell, simple switch board etc. They will also repair a variety of different products.
Record Work:
The students should prepare an activity file to record the procedures and circuit diagrams. A project file on a related topic may also be prepared.
Evaluation:
The different electrical devices repaired or prepared should be assessed minutely for their working efficiency and use. Grades should be allotted to the students as per CBSE guidelines. The activity file and project file should be assessed from time to time and grading done. Final grading term wise should be based on the files and electrical devices repaired / prepared.
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