Which alloy is used to make the heating element (resistance wire) in an electric iron?

Elements of electric toasters and electric irons are made of an alloy rather than a pure metal. Give two reasons to justify the statement.

Which type of metal or alloy cannot be used to prepare a fuse wire?

Compute the heat generated while transferring $96000$ coulomb of charge in one hour through a potential difference of $50\, V$.

Of the two bulbs in a house, one glows brighter than the other. Which of the two has a larger resistance?

You are given a resistance wire of length $50 \,cm$ and a battery of negligible resistance. In which of the following cases is the largest amount of heat generated?