1. ____the elements whose Atomic number is greater than 82

2. ___is a device which stores electric charge

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

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

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

6. ___Numbers of protons present in the nucleus

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

8. ___ current which flows always in one direction

9. ____Bending of waves round an obstacle

10. ____A capacitor whose plates can move

11. The isotopes which emit radiations are called ____

12. ___a device used to store sound and picture

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

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

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

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

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

18. ___points of maximum amplitude of stationary waves.

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

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