Identify the over excited alternator operating at zpf.

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-synchronous-motor-phasor-diagram-q11a.png"><img alt="The over excited alternator operating at zpf - option a" class="alignnone size-full wp-image-160922" height="284" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-synchronous-motor-phasor-diagram-q11a.png" width="178"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-synchronous-motor-phasor-diagram-q11b.png"><img alt="The over excited alternator operating at zpf - option b" class="alignnone size-full wp-image-160923" height="256" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-synchronous-motor-phasor-diagram-q11b.png" width="243"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-synchronous-motor-phasor-diagram-q11c.png"><img alt="The over excited alternator operating at zpf - option c" class="alignnone size-full wp-image-160924" height="276" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-synchronous-motor-phasor-diagram-q11c.png" width="231"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-synchronous-motor-phasor-diagram-q11d.png"><img alt="The over excited alternator operating at zpf - option d" class="alignnone size-full wp-image-160925" height="248" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-synchronous-motor-phasor-diagram-q11d.png" width="194"/></a>