Select the possible dc magnetization characteristics of permanent magnetic materials.

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-permanent-magnet-dc-pmdc-motors-q5a.png"><img alt="DC magnetization characteristics of permanent magnetic materials - option a" class="alignnone size-full wp-image-160881" height="161" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-permanent-magnet-dc-pmdc-motors-q5a.png" width="300"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-permanent-magnet-dc-pmdc-motors-q5b.png"><img alt="DC magnetization characteristics of permanent magnetic materials - option b" class="alignnone size-full wp-image-160882" height="193" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-permanent-magnet-dc-pmdc-motors-q5b.png" width="300"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-permanent-magnet-dc-pmdc-motors-q5c.png"><img alt="DC magnetization characteristics of permanent magnetic materials - option c" class="alignnone size-full wp-image-160883" height="208" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-permanent-magnet-dc-pmdc-motors-q5c.png" width="300"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-permanent-magnet-dc-pmdc-motors-q5d.png"><img alt="DC magnetization characteristics of permanent magnetic materials - option d" class="alignnone size-full wp-image-160884" height="222" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-permanent-magnet-dc-pmdc-motors-q5d.png" width="300"/></a>