what is the fullform of LED,LCD,MCB,USB,CFL,CFC
Name some of the devices in which electric cells are used?
What are the advantages and disadvantages of dry cell ?want the answer by 29th nov
What is the function of an electric bulb?
first egg or hen
what is the difference between open and closed switch
How does tubelight work ?
construction and working of electric cell
Name a device which is used to convert electrical energy into heat energy and light energy
why the human body is a good conductor of electricity?
are dry cell and electric cells same?? if not what is the difference ?
Write short notes about magnet and electromagnet.
why do electric cell and the bulb have two terminals?
is a magnet an insulator or a conductor ????????
Give the construction and working of electric bulb?
why should an electrician use rubber gloves while repairing an electric switch at your home? explain.
what is the role of a dry cell in a torch?
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