A pair of automotive headlamps is connected to a 12 V battery via the arrangement shown in...

A pair of automotive headlamps is connected to a 12 V battery via the arrangement shown in Fig. 1. In the figure, the triangular symbol ▼ is used to indicate that the terminal is connected directly to the metal frame of the car.

a) Construct a circuit model using resistors and an independent voltage source.

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b) Identify the correspondence between the ideal circuit element and the symbol component that it represents.

Figure 1