Fill in the blank spaces with appriapte answers.
Electron vacancies are called______.

Fill in the blank spaces with appriapte answers. All logic gates have _______ output.

Fill in the blanks spaces with appropriate answers. ………..currents attract.

Fill in the blanks spaces with appropriate answers. Unlike currents……….

Fill in the blank spaces with appropriate answers: An object has to be placed at ________ of a concave mirror so that the magnification is one.

Fill in the blank spaces with appriapte answers. Rectification efficiency is the ratio of output _________power to input______ power.

Fill in the blank spaces with appropriate answers: On losing electrons a body gets________ charged.

Fill in the blank spaces with appropriate answers. Internet is a _______ system. (Communicating / Tracking).

Fill in the blank spaces with appropriate answers: charge is considered to be a _______ quantity.

Fill in the blanks space with appropriate answers : All dielectrics are basically......

Fill in the blank spaces with appropriate answers. Radio reception is noisy during _________ time (day / night)