1. Bus bars are used in an electric iron as A. connectors between the thermostat and the element. B. electrical terminals. C. thermostat supports. D. heat-adjusting resistors.

Answer - A (Connectors between the thermostat and the element)

Electrical busbars usually conduct electrical energy and transmits power from tan input feeder to an output feeder. In the case of an electric iron, the input feeder is the thermostat while the output feeder is the heating element present in the iron.