Q1. Why does there have to be a wire that is the 'Conductor' to make electricity flow?

Q2. What property should a fuse have?

To be answered by 10/6 after reading chap2.1(40~50p)

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Answers

A1 : Because the air is a very poor conductor. Electricity is basically electrons on the move. In air, the atoms are far from each other. Hence, the poor conductivity.

A2 : The melting point of a fuse should be lower than the nonconductor that is rapped around the wire. Rubber or plastic, in most cases