Semiconductors are those materials which have electrical properties lies between those…
W hat is rheostat function? A variable resistor used to regulate current is called a …
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Transformer is a device which increases or decreases AC voltage. Working Principle o…
Magnet : A piece of substance when attracts small pieces of iron and towards north s…
Ohm Law definition Ohm law definition : According to this law, current i…
Define battery in physics Combination of number of cells form a battery. What are the…