WebEffects of heat: There are some effects of heat. The temperature of the object rise. On giving the heat the volume of the substance increases. On giving the heat to the solid substance or liquid substance, the state changes from solid to liquid and liquid to gas. A chemical reaction occurs on providing the heat. WebDec 5, 2024 · Please visit http://instyn.in/help for more support with doubt clearing and personalized tuition classes. Through this video, you can learn about - By the en...
Name the three effects of electric current. - Toppr
WebApr 6, 2024 · Activity: To demonstrate the magnetic effect of current. (1) We take a thick, insulated copper wire AB and fix it on a table in such a way that this wire is in the north-south direction. (2) A compass is placed … WebJun 15, 2024 · CBSE Class 7 Science Notes Chapter 14 Electric Current and Its Effects. The most convenient source of energy is electricity. Electricity has a very important role … mg tf front wings
Heat and temperature (article) Khan Academy
WebSep 11, 2024 · 13. An electromagnet is an example of the magnetic effect of the electric current. It is used in many devices like electric bell, loudspeakers, telephone, etc. 14. An electric bell mainly consists of an … WebWhen an electric current passes through a conductor for some time, the conductor gets heated up. Thus heating of a conductor due to the flow of electric current through it is known as Joule's law of heating. Heat generated H=i 2Rt. where i is the amount of current flowing though the conductor, R is the resistance of conductor and t is the time ... WebAn electric current is passing through a conductor which becomes hot after some time and produces heat. This is due to the conversion of some of the electrical energy that passes through the conductor, into heat energy. This effect of electric current is called the heating effect of current. mgtf hampshire