{"id":47542,"date":"2024-04-15T22:28:16","date_gmt":"2024-04-15T22:28:16","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=47542"},"modified":"2024-04-15T22:28:16","modified_gmt":"2024-04-15T22:28:16","slug":"it-is-noticed-that-durum-charging","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/it-is-noticed-that-durum-charging\/","title":{"rendered":"It is noticed that durum charging"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;There is a rise in voltage&#8221; option2=&#8221;Energy is absorbed by the cell&#8221; option3=&#8221;Specific gravity of H2SO4 is increased&#8221; option4=&#8221;The anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb) E. All of the above&#8221; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is E. All of the above.<\/p>\n<p>When a lead-acid battery is charging, the following happens:<\/p>\n<ul>\n<li>The voltage of the battery increases. This is because the lead sulfate on the plates of the battery is converted into lead and lead dioxide. Lead dioxide is a better conductor of electricity than lead sulfate, so the voltage of the battery increases.<\/li>\n<li>Energy is absorbed by the cell. This is because the lead sulfate on the plates of the battery is converted into lead and lead dioxide. This process requires energy, which is absorbed by the cell.<\/li>\n<li>The specific gravity of the sulfuric acid in the battery increases. This is because the sulfuric acid is used up in the charging process. As the sulfuric acid is used up, the water content of the battery increases, which causes the specific gravity of the sulfuric acid to increase.<\/li>\n<li>The anode becomes chocolate brown in color (PbCfe) and the cathode becomes gray metallic lead (Pb). This is because the lead sulfate on the anode is converted into lead, and the lead sulfate on the cathode is converted into lead dioxide.<\/li>\n<\/ul>\n<p>Therefore, all of the options are correct.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;There is a rise in voltage&#8221; option2=&#8221;Energy is absorbed by the cell&#8221; option3=&#8221;Specific gravity of H2SO4 is increased&#8221; option4=&#8221;The anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb) E. All of the above&#8221; correct=&#8221;option3&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[964],"tags":[],"class_list":["post-47542","post","type-post","status-publish","format-standard","hentry","category-electrolysis-and-storage-of-batteries","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>It is noticed that durum charging<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/it-is-noticed-that-durum-charging\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"It is noticed that durum charging\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;There is a rise in voltage&#8221; option2=&#8221;Energy is absorbed by the cell&#8221; option3=&#8221;Specific gravity of H2SO4 is increased&#8221; option4=&#8221;The anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb) E. 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