DC Machines Quiz

The lecture objectives are: 1) To make student aware about the basic construction of DC Machine. 2) To aware about the working principal of DC Machine. 3) To provide knowledge about the load characteristics of DC machines. 4) To make familiar with speed control of DC Machines. 5) To give knowledge about EMF equation of DC Machine.

The course objectives are: 1) Understand Electrical & Electronics Engineering Fundamentals. 2) To prepare students to perform the analysis and design of various Electrical & digital electronic circuits.

The subject code is 23ECH-101.

<p>The lecture is conducted by Dr. Shikha.</p> Signup and view all the answers

<p><a href="https://en.wikipedia.org/wiki/DC_motor">https://en.wikipedia.org/wiki/DC_motor</a></p> Signup and view all the answers

<ol> <li>Magnetic Frame or yoke</li> <li>Pole core &amp; Pole shoes</li> <li>Magnetic field or Exciting coils</li> <li>Armature core</li> <li>Armature winding (a) Lap Winding (b) Wave Winding</li> <li>Commutator</li> <li>Brushes</li> <li>Bearing</li> <li>End ring</li> <li>Shaft</li> </ol> Signup and view all the answers

<p>The magnetic frame or yoke is the outer hollow cylindrical frame to which main poles are attached.</p> Signup and view all the answers

<p>A DC motor uses electricity and a magnetic field to produce torque, which turns the rotor and gives mechanical work.</p> Signup and view all the answers

<p>The commutator reverses the direction of current flow through the armature windings to maintain the rotation of the rotor.</p> Signup and view all the answers

<p>The two types of armature windings in a DC motor are (a) Lap Winding and (b) Wave Winding.</p> Signup and view all the answers