Which symbol is used to represent a solenoid in schematics?

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Multiple Choice

Which symbol is used to represent a solenoid in schematics?

Explanation:
Solenoids are electromechanical actuators, so their schematic symbol shows a device outline with a moving part. The box represents the actuator as a whole, and the diagonal line inside depicts the movable plunger or armature that shifts when the coil is energized. This distinguishes it from a plain coil (an inductor), a resistor, or a switch, which are different components. The diagonal line inside a boxed symbol communicates that energizing the coil will produce mechanical motion, which is the function of a solenoid.

Solenoids are electromechanical actuators, so their schematic symbol shows a device outline with a moving part. The box represents the actuator as a whole, and the diagonal line inside depicts the movable plunger or armature that shifts when the coil is energized. This distinguishes it from a plain coil (an inductor), a resistor, or a switch, which are different components. The diagonal line inside a boxed symbol communicates that energizing the coil will produce mechanical motion, which is the function of a solenoid.

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