Question

select the circuit that contains the single - pole double - throw switch.

Explanation:

Step1: Identify single - pole double - throw symbol

A single - pole double - throw switch has one input terminal and two output terminals that it can connect to. In circuit diagrams, it is represented by a switch symbol with a single pole and two throw positions.

Step2: Examine each circuit

The first circuit shows a switch with one pole and two throw positions, which is a single - pole double - throw switch. The second circuit has an open - ended switch which is not a single - pole double - throw. The third circuit has a simple on - off switch which is not a single - pole double - throw.

Answer:

The first circuit