Question

electric bells and electric motor are the devices that contains​

Answer 1

Answer:

An electric bell is a mechanical or electronic bell that functions by means of an electromagnet. ... When an electric current flows through the coils, the electromagnet creates a magnetic field which pulls the armature towards it, causing the hammer to strike the bell.

Answer 2

Some of the most common electric motors used today include:

• AC Brushless Motors. AC brushless motors are some of the most popular in motion control. ...
• DC Brushed Motors. In a DC brushed motor, brush orientation on the stator determines current flow. ...
• DC Brushless Motors. ...
• Direct Drive. ...
• Linear Motors. ...
• Servo Motors. ...
• Stepper Motors