Question 54
Work in pairs.
Complete the sentences. Use words from the list.
The words may be used once, more than once or not at all.
are free to move cannot move electrons atoms wires
When current flows, particles called .................... move.
In metals, these particles .................... .
Complete the sentences. Use words from the list.
The words may be used once, more than once or not at all.
are free to move cannot move electrons atoms wires
When current flows, particles called .................... move.
In metals, these particles .................... .
