Also referred to as a coil and plunger, a _____________ is an electromagnet consisting of a hollow coil or spool, which contains a movable iron core (armature) that is held partially out of the coil by spring tension.
When voltage is applied and current passes through the coil, the concentrated electromagnetic field draws (centers) the armature into (in) the coil, converting electrical energy into linear motion.
A) irregular solenoid
B) none of the answers
D) finite continuous solenoid
Share your understanding of this question with the correct explanation.