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1. Write the name of each mechanism: (2 p)

2. Fill the gaps: (1p)a) Metals are usually ______________, so electric current can pass

through them.b) The copper ires are co!ere" ith plastic, because it is

________________c) #b$ects attract or repel because of the electrical _________________") %lectric current is a continuous ___________________ of electrons

&. 'omplete (2 p)

Component Symbol Useenerates motion

ulb

*rotect the circuit

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+. ra the "iagrams of these circuits: (& p)

a)

b)

c)

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-. %plain ho circuits b) an" c) or/. (2 p)