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

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

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

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

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

6. ___points of maximum amplitude of stationary waves.

7. ____A capacitor whose plates can move

8. ____Bending of waves round an obstacle

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

10. ___Numbers of protons present in the nucleus

11. ____the elements whose Atomic number is greater than 82

12. ___ current which flows always in one direction

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

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

15. The isotopes which emit radiations are called ____

16. ___is a device which stores electric charge

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

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

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

20. ___a device used to store sound and picture