Which device converts electrical energy into a linear force?

The device that converts electrical energy into a linear force is a solenoid. A solenoid consists of a coil of wire that generates a magnetic field when an electric current passes through it. This magnetic field can cause a ferromagnetic plunger or core inside the solenoid to move in a linear direction, creating mechanical motion.

When the electrical current is applied, the magnetic field pulls the core into the coil, producing a linear force. This principle is commonly used in various applications, such as in electric locks, relays, and actuators, demonstrating the effective conversion of electrical energy into mechanical work.

While transducers do respond to electrical energy, they typically convert energy from one form to another rather than specifically creating linear force. Rectifiers, on the other hand, are designed to convert alternating current (AC) into direct current (DC) and do not produce motion. Magnets can create magnetic forces but do not inherently convert electrical energy into linear motion without the associated coil or other components. Thus, the solenoid is the most accurate choice for defining a device that directly converts electrical energy into a linear force.