INTRODUCTION
Conversion of high voltage a.c into low voltage and vice versa is important for the functioning of different appliances. The transformer is used for the same. Here we are going to learn about transformers. The twenty first century is considered to be the era of Electronics and Telecommunication. At present electronics is based on Semi conductor Technology. The basics of the Semiconductors are also dealt here with transformers
OBJECTIVES
Learner will be able to:
- explain the working principle and construction of the transformer
- differentiate semi conductors with other types of materials
- identify different types of semi conductors
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