{"id":50700,"date":"2024-04-15T23:14:06","date_gmt":"2024-04-15T23:14:06","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=50700"},"modified":"2024-04-15T23:14:06","modified_gmt":"2024-04-15T23:14:06","slug":"capacitors-are-used-for-audio-frequency-and-radio-frequency-coupling-and-tuning","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/capacitors-are-used-for-audio-frequency-and-radio-frequency-coupling-and-tuning\/","title":{"rendered":"capacitors are used for audio frequency and radio frequency coupling and tuning."},"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_6a971dde70f5b\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Air                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Mica                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Plastic film                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"true\">\r\n                    Ceramic                <\/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>D. Ceramic<\/strong><\/p>\n<p>Ceramic capacitors are used for audio frequency and radio frequency coupling and tuning because they have a high capacitance-to-volume ratio, which means they can store a lot of charge for their size. They are also very stable, which means they do not change their capacitance much with changes in temperature or voltage.<\/p>\n<p>Air capacitors are not used for audio frequency and radio frequency coupling and tuning because they have a low capacitance-to-volume ratio. Mica capacitors are not used for audio frequency and radio frequency coupling and tuning because they are not very stable. Plastic film capacitors are not used for audio frequency and radio frequency coupling and tuning because they are not very stable.<\/p>\n<p>Here is a more detailed explanation of each option:<\/p>\n<ul>\n<li><strong>Air capacitors<\/strong> are made up of two metal plates separated by a thin layer of air. The air acts as an insulator, and the plates store charge when a voltage <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> is applied. Air capacitors have a low capacitance-to-volume ratio, which means they cannot store a lot of charge for their size. They are also not very stable, which means they change their capacitance much with changes in temperature or voltage.<\/li>\n<li><strong>Mica capacitors<\/strong> are made up of two metal plates <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> separated by a thin layer of mica. Mica is a type of mineral that is an excellent insulator. Mica capacitors have a higher capacitance-to-volume ratio than air capacitors, but they are not as stable.<\/li>\n<li><strong>Plastic film capacitors<\/strong> are made up of two metal plates separated by a thin layer of plastic film. Plastic film is a good insulator, and it is also stable. Plastic film capacitors have a higher capacitance-to-volume ratio than air capacitors and mica capacitors, and they are more stable than mica capacitors.<\/li>\n<li><strong>Ceramic capacitors<\/strong> are made up of two metal plates separated by a thin layer of ceramic. Ceramic is a good insulator, and it is also very stable. Ceramic capacitors have the highest capacitance-to-volume ratio of all the types of capacitors, and they are the most stable.<\/li>\n<\/ul>\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":[971],"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>capacitors are used for audio frequency and radio frequency coupling and tuning.<\/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\/capacitors-are-used-for-audio-frequency-and-radio-frequency-coupling-and-tuning\/\" \/>\n<meta property=\"og:locale\" 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