[amp_mcq option1=”Using conductor of annealed copper” option2=”Using commutator with large number of segments” option3=”generator the ripples in the direct e.m.f. generated are reduced by A. Using conductor of annealed copper B. Using commutator with large number of segments C. Using carbon brushes of superior quality” option4=”Using equalizer rings” correct=”option2″]<\/p>\n
The correct answer is: B. Using commutator with large number of segments<\/strong>.<\/p>\n A commutator is a device that converts the alternating current (AC) produced by a rotating coil of wire into direct current (DC). It does this by having two or more metal segments that are insulated from each other and that are connected to the ends of the coil. As the coil rotates, the segments come into contact with brushes that are connected to the external circuit. The brushes collect the current from the segments and deliver it to the circuit as DC.<\/p>\n The number of segments on a commutator affects the smoothness of the DC output. The more segments there are, the smoother the output will be. This is because the current will be transferred from one segment to the next more gradually, which will reduce the amount of ripple in the output.<\/p>\n The other options are incorrect because:<\/p>\n [amp_mcq option1=”Using conductor of annealed copper” option2=”Using commutator with large number of segments” option3=”generator the ripples in the direct e.m.f. generated are reduced by A. Using conductor of annealed copper B. Using commutator with large number of segments C. Using carbon brushes of superior quality” option4=”Using equalizer rings” correct=”option2″]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[742],"tags":[],"class_list":["post-46076","post","type-post","status-publish","format-standard","hentry","category-d-c-generators","no-featured-image-padding"],"yoast_head":"\n\n