PHYSICS · Multi-part · AP · Physics 2: Algebra-based · Electric Circuits · Electric Circuits
Problem
An electric iron is marked “1200 W, 230 V”.
(i) Explain the meaning of this rating.
(ii) Calculate the current drawn by the iron at its rated voltage.
(iii) Three cartridge fuses of ratings 3 A, 5 A and 15 A are available. Which one should be connected in series with the iron in a household circuit? Justify your choice with reasons based on your calculation in part (ii).