1. ___a device used to store sound and picture

2. The means of transmission of information to far of places is called

3. Q a process in which the light nuclei diffuse to form a heavier nucleus is called_____

4. ___is a device which stores electric charge

5. Now a days ____is the major source of world communication.

6. ___ current which flows always in one direction

7. ____A capacitor whose plates can move

8. ___an instrument used to measure the current in a circuit

9. That branch of electronics which processes the data being provided in form of digits is known _____

10. ____the elements whose Atomic number is greater than 82

11. ____an electric instrument which increases or decreases the value of alternating voltage

12. To draw figures by computer without using drawing material is called the ____

13. ___Numbers of protons present in the nucleus

14. The elements which have same Atomic number but different Atomic mass number are called ____.

15. ___is a sensitive instrument which detects current in a circuit

16. ___is an instrument used to measure potential difference between two points

17. ___points of maximum amplitude of stationary waves.

18. The current which does not change its direction of flow is known as ___

19. The isotopes which emit radiations are called ____

20. ____Bending of waves round an obstacle