A question My Professor asked!! Home › Electrical Engineering Forum › General Discussion › A question My Professor asked!! This topic has 4 replies, 3 voices, and was last updated 13 years, 4 months ago by kusha02. Viewing 5 posts - 1 through 5 (of 5 total) Author Posts 2011/08/12 at 5:45 pm #10591 DevilinaParticipant why do we use the symbol of a coil ..not a resistor while drawing a diagram of DC shunt machine ? (as given in this figure) ? 2011/08/18 at 4:41 pm #12380 kusha02Participant To control the current , beacuse the resistor is for voltage 2011/08/19 at 6:57 am #12369 Ally KanyondoParticipant Devilina said: why do we use the symbol of a coil ..not a resistor while drawing a diagram of DC shunt machine ? (as given in this figure) ? Dear Devlina. The coil is used to show the resistance of the coil(Field Resistance) and to distinguish from resistance of the load R. Kind regards. 2011/08/19 at 8:38 am #12377 DevilinaParticipant aah now thats u good answer!!! i thot so tooo!! :) thnxxx ally!! 2011/08/19 at 10:04 am #12365 Ally KanyondoParticipant Devilina said: aah now thats u good answer!!! i thot so tooo!! :) thnxxx ally!! Your welcome devilina, Dont hesitate to post other quistions. Regards Author Posts Viewing 5 posts - 1 through 5 (of 5 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In