(a) Explain what do you understand by the term 'transducer'? (6)

(b) A coil of resistance 10 Ω and inductance 100mH is connected in series with two parallel capacitors each of value 100 μF across a 250 V, 50Hz supply. Determine: (10)

(i) The circuit current

(ii) The total power factor

(iii) The power taken from the supply.