The circuit depicting the equation V=Ea + I*Ra.

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-dc-machine-circuit-model-q1a.png"><img alt="The circuit depicting the equation V=Ea + I*Ra - option a" class="alignnone size-full wp-image-160799" height="216" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-dc-machine-circuit-model-q1a.png" width="232"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-dc-machine-circuit-model-q1b.png"><img alt="The circuit depicting the equation V=Ea + I*Ra - option b" class="alignnone size-full wp-image-160800" height="208" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-dc-machine-circuit-model-q1b.png" width="223"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-dc-machine-circuit-model-q1c.png"><img alt="The circuit depicting the equation V=Ea + I*Ra - option c" class="alignnone size-full wp-image-160801" height="211" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-dc-machine-circuit-model-q1c.png" width="257"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-dc-machine-circuit-model-q1d.png"><img alt="The circuit depicting the equation V=Ea + I*Ra - option d" class="alignnone size-full wp-image-160802" height="228" src="https://www.sanfoundry.com/wp-content/uploads/2017/05/electrical-machines-questions-answers-dc-machine-circuit-model-q1d.png" width="239"/></a>