18V Challenge Yourself Q4 The parallel circuit shown on the right contains a motor, a bulb, a buzzer and some ammeters. (a) Complete the table below to show all the ammeter readings. WS A. A. A M 1 2 3 4 5 Ammeter Reading (A) 8 2. 5 A (b) The same circuit is set up again using different ammeters. One of the new ammeters turns out to have developed a fault. Use the readings below to work out which one it is and explain your answer. А, 1 2 3 4 5 Ammeter Reading (A) 13 7 4 10 21 Ammeter . is faulty because