The rotor mmf per pole in the 3-phase, 4-pole induction motor varied with slip is?

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-circle-diagrams-induction-machines-q6a.png"><img alt="The rotor mmf per pole in the 3-phase, 4-pole induction motor varied with slip - option a" class="alignnone size-full wp-image-161110" height="231" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-circle-diagrams-induction-machines-q6a.png" width="300"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-circle-diagrams-induction-machines-q6b.png"><img alt="The rotor mmf per pole in the 3-phase, 4-pole induction motor varied with slip - option b" class="alignnone size-full wp-image-161111" height="221" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-circle-diagrams-induction-machines-q6b.png" width="300"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-circle-diagrams-induction-machines-q6c.png"><img alt="The rotor mmf per pole in the 3-phase, 4-pole induction motor varied with slip - option c" class="alignnone size-full wp-image-161113" height="216" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-circle-diagrams-induction-machines-q6c.png" width="300"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-circle-diagrams-induction-machines-q6d.png"><img alt="The rotor mmf per pole in the 3-phase, 4-pole induction motor varied with slip - option d" class="alignnone size-full wp-image-161114" height="235" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-circle-diagrams-induction-machines-q6d.png" width="277"/></a>