{"id":23067,"date":"2024-04-15T06:28:45","date_gmt":"2024-04-15T06:28:45","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=23067"},"modified":"2024-04-15T06:28:45","modified_gmt":"2024-04-15T06:28:45","slug":"an-electrochemical-cell-which-is-used-as-a-source-of-direct-electrical-current-at-constant-voltage-under-standard-conditions-is-called-a-a-power-transmittor-b-battery-c-uninterrupted-power-supply","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/an-electrochemical-cell-which-is-used-as-a-source-of-direct-electrical-current-at-constant-voltage-under-standard-conditions-is-called-a-a-power-transmittor-b-battery-c-uninterrupted-power-supply\/","title":{"rendered":"An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : A. Power transmittor B. Battery C. Uninterrupted power supply (UPS) D. Generator"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a9e8cd4a523a\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Power transmittor                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"true\">\r\n                    Battery                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Uninterrupted power supply (UPS)                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Generator                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: <strong>B. Battery<\/strong><\/p>\n<p>A battery is an electrochemical cell that converts chemical energy into electrical energy. It consists of two or more electrodes, an electrolyte, and a separator. The electrodes are made of different materials that have different electrical potentials. When the battery is connected to an external circuit, the electrons flow from the negative electrode to the positive electrode, creating an electric current.<\/p>\n<p>The voltage of a battery is determined by the difference in the electrical potentials of the two electrodes. The capacity of a battery is determined by the amount of charge that it can store.<\/p>\n<p>Batteries are used in a <div class=\"youtube-subscribe-container\">\r\n        <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> variety of applications, including portable electronics, electric vehicles, and backup power systems.<\/p>\n<p>Option A: A power transmitter is a device that is used to transmit electrical power over long distances. It does not convert chemical energy into electrical energy.<\/p>\n<p>Option C: An uninterrupted power supply (UPS) is a device that provides temporary power to a load when the main power supply fails. It does not convert chemical energy into electrical energy.<\/p>\n<p>Option D: A generator is a device that converts mechanical energy into electrical energy. It does not convert chemical energy into electrical energy.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"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>An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : A. Power transmittor B. Battery C. Uninterrupted power supply (UPS) D. 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