1. An empty tube in which air has been completely removed for the purpose of storing liquidified gas is called
2. A stream of moving electrons is called ______
3. Which of these are basic electronic device?
4. The resistor is measured in ________.
5. The middle terminal of a transistor is called the ______
6. The mixture of cement, sand and gravel gives us ____________ when it solidify.
7. The N-P-N transistors are mostly made of _________
8. One of these is NOT among the uses of building
9. Clay are burnt or baked in a ________
10. A residential building standing alone is called