{"id":19188,"date":"2024-04-15T05:36:09","date_gmt":"2024-04-15T05:36:09","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=19188"},"modified":"2024-04-15T05:36:09","modified_gmt":"2024-04-15T05:36:09","slug":"which-one-of-the-following-principles-best-describes-the-basic-operation-of-a-generator-a-like-magnetic-poles-repel-unlike-poles-attract-b-current-is-induced-in-a-conductor-that-is-moving-through","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-principles-best-describes-the-basic-operation-of-a-generator-a-like-magnetic-poles-repel-unlike-poles-attract-b-current-is-induced-in-a-conductor-that-is-moving-through\/","title":{"rendered":"Which one of the following principles best describes the basic operation of a generator? A. Like magnetic poles repel; unlike poles attract B. Current is induced in a conductor that is moving through a magnetic field C. Like magnetic poles attract; unlike poles repel D. Current flowing through a conductor generates a magnetic field E. None of the above"},"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_6abbcea54cf0a\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Like magnetic poles repel; unlike poles attract                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"true\">\r\n                    Current is induced in a conductor that is moving through a magnetic field                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Like magnetic poles attract; unlike poles repel                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Current flowing through a conductor generates a magnetic field E. None of the above                <\/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: B. Current is induced in a conductor that is moving through a magnetic field.<\/p>\n<p>A generator is a device that converts mechanical energy into electrical energy. The basic principle of a generator is that when a conductor moves through a magnetic field, an electric current is induced in the conductor. This is known as Faraday&#8217;s law of induction.<\/p>\n<p>The amount of current induced in the conductor depends on the strength of the magnetic field, the speed of the conductor through the field, and the length of the conductor in the field.<\/p>\n<p>Generators are used in a variety of applications, including power generation, welding, and medical imaging.<\/p>\n<p>Option A is incorrect because it describes the basic principle of a motor, not a generator. In a motor, a current is passed through a conductor that is located in a magnetic field. This causes the conductor to experience a force, which causes it to rotate.<\/p>\n<p>Option C is incorrect because it describes the basic principle of a magnet, not a generator. In a magnet, the magnetic field is created by the alignment of the magnetic domains in the material.<\/p>\n<p>Option D is incorrect because it describes the basic principle of an electromagnet, not a generator. In an electromagnet, a current is passed through a conductor that is wrapped around a core. This creates a magnetic field around the core.<\/p>\n<p>Option E is <div class=\"youtube-subscribe-container\">\r\n        <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> incorrect because it is not one of the basic principles of a generator.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel 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":[682],"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>Which one of the following principles best describes the basic operation of a generator? 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