Final answer:
A two value capacitor motor, also known as a variable air capacitor, consists of two sets of parallel plates. By adjusting the position of the rotor, the capacitance can be tuned to a desired value. This type of motor is commonly used in radio transmission and receiving radio signals from electronic devices.
Step-by-step explanation:
Two sets of parallel plates make up a two value capacitor motor, sometimes referred to as a variable air capacitor. While the other set of plates is fastened to a rotating shaft (rotor), the first set of plates is fixed (stator). The cross-sectional area in the plate overlap can be altered by varying the rotor's position, which enables the capacitance of the system to be adjusted to a desired value.
It is common practice to transmit and receive radio signals from electronic devices using this kind of capacitor motor. For instance, the capacitance of your car radio is tuned to your preferred station to maximize the reception of that particular frequency.