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 ?

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. 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. 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. 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. What is the relation between intensity of electric current and heat energy generated ?

Power of an electric heater working in 230 V is 1000W. Calculate the heat produced if the current passes for 5 minutes through the circuit .

Observe the diagram and answer the questions below. Calculate the amperage of the fuse to be used in the circuit.

Given below are two electric circuits A and B. Calculate the ratio of power factor of the circuit B to that of A.

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 .