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

2. ___a device used to store sound and picture

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

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

5. ____A capacitor whose plates can move

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

7. ____the elements whose Atomic number is greater than 82

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

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

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

11. The isotopes which emit radiations are called ____

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

13. ___is a device which stores electric charge

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

15. ___points of maximum amplitude of stationary waves.

16. ____Bending of waves round an obstacle

17. ___Numbers of protons present in the nucleus

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

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

20. ___ current which flows always in one direction