What is an electromagnet and how does it differ from a permanent magnet?

In the context of VEX Robotics, what is the primary function of an electromagnet?

• To generate a constant magnetic field

• To pick up and drop disks with metal cores

• To navigate the robot

• To power the robot

Electromagnets can be turned ___ and off, providing greater control in robotic applications.

Why are electromagnets considered more efficient than traditional mechanical grips in robotics?

Which of the following is NOT an advantage of using electromagnets in robotics?

• Control over when to pick up or release an object

• Versatility in various applications

• Efficiency in rapid movement environments

• Permanent magnetic field