Given below questions are related with heating of an electric ironbox iron . Answer them.
Which is the part that produces heat in an electric iron ?

Given below questions are related with heating of an electric ironbox iron . Answer them. What is this law known as ?

Given below questions are related with heating of an electric ironbox iron . Answer them. What is the relation between intensity of electric current and heat energy generated ?

Given below questions are related with heating of an electric ironbox iron . Answer them. What are the factors that affect the heat generated in such heating appliances ?

Given below questions are related with heating of an electric ironbox iron . Answer them. Which nature of this part is made use in the above situation.

Given below questions are related with heating of an electric ironbox iron . Answer them. Name a device that works on this law used for ensuring safety in electric circuits ?

Which are the devices that give heating affect of electric current ?

Given below are the equations for the reactions taking place inside the blast furnace. Which is the gangue in iron ore?

Given below are the steps in the working of a flouroscent lamp. Arrange them in the proper order. Ultraviolet rays are produced , Visible light is emitted , Fastly moving electrons collide with the unionized molecules of mercury, Due to electric current thorium oxide coated heating element becomes red hot .

Given below are the equations for the reactions taking place inside the blast furnace. Name the ore of iron.

Names of some minerals are given below. .i) Haematite ii) bauxite iii) Dolomite a. Identify the mineral of Iron (Fe) b. Name the reducing agent mainly used in the extraction of iron from its ore. c. What is the role of powdered lime stone in the extraction process of iron?