Read the following statements and decide if they are true (T) or false (F).

Date: 2015-10-07; view: 554.

1. The discovery of electron didn't influence physical science.

2. It is possible to get the same results with ordinary electrical equipment as with transistors and radio tubes.

3. The device is called electronic if the stream of electrons passes through an electric copper wire.

4. The aim of electronics was to improve communication.

5. Vacuum tubes are classified according to the number of electrodes.

6. Vacuum tubes are much less than solid-state devices.

7. Parts of transistors wear out very quickly.

8. Equipment made with transistors weighs much more in comparison with valve equipment.

9. Transistors waste very much power.

10. A filament, a plate and a control grid are parts of a diode.

11. Electronics doesn't serve to carry information.