Word Stress Contextual use of prepositions Transistor Jubilee The Junction Transistor Transistor

LEAD-IN: What is the transistor?

Transistor was invented at Bell Laboratories in 1947. As an alternative to vacuum tubes. Transistor is cheaper for production and far more reliable. Transistor cut the cost and improved the quality of phone service.

1. How would you explain in simple words what transistor is?

2. Consider the pictures on the left and match the proper name for each one out of the following: Graphene Structure, Optical Transistor, Original Transistor.

3. What engineering fields does transistor unite?

4. What are the three words you could associate transistor with? Fill in the diagram:

TRANSISTOR

PRONUNCIATION