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

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

3. ____the elements whose Atomic number is greater than 82

4. The isotopes which emit radiations are called ____

5. ___a device used to store sound and picture

6. ____A capacitor whose plates can move

7. ____Bending of waves round an obstacle

8. ___is a device which stores electric charge

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

10. ___ current which flows always in one direction

11. ___points of maximum amplitude of stationary waves.

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

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

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

15. ___Numbers of protons present in the nucleus

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

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

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

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

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