Electric Current

Heating Effect Of Electric CurrentTry touching a torch bulb that is lit and another that is not. Be careful when you touch the lit bulb. Do you feel it is hot to touch? Why do you think it is so?In a bulb, an electric current passes through…

Heating Effect Of Electric CurrentTry touching a torch bulb that is lit and another that is not. Be careful when you touch the lit bulb. Do you feel it is hot to touch? Why do you think it is so?In a bulb, an electric current passes through…

Magnetic Effect Of Electric CurrentYou know that magnets can attract certain substances such as iron. So far, you have studied about electricity and magnetism separately. However, did you know that electricity and magnetism are closely…

What is the Relationship between Electric Current and Potential Difference?When an electric charge is placed at a point in an electric field, it experiences an electric force acting on it. Work is required to move the electric charge in the…

What is Electric CurrentElectric Charge and Electric CurrentWhat is an electric charge? Objects that exert electric forces are said to have electric charges. Electric charge is the source of electrical force.There are two types of…