The correct replacement part for converting electric energy into light in the toy ambulance is a bulb. Other options like a buzzer, motor, and switch serve different functions. A bulb specifically serves the purpose of providing light, making it the right choice for Rachel's task. ;
Approximately 2.81 × 1 0 21 electrons flow through the device when a current of 15.0 A is maintained for 30 seconds. This is found using the relationship between current, charge, and the number of electrons. Each electron carries an approximate charge of 1.6 × 1 0 − 19 C .
;