{"id":21745,"date":"2024-04-15T06:10:29","date_gmt":"2024-04-15T06:10:29","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=21745"},"modified":"2024-04-15T06:10:29","modified_gmt":"2024-04-15T06:10:29","slug":"suitable-impurities-are-added-to-a-semiconductor-depending-on-its-use-this-is-done-in-order-to-a-increase-its-life-b-enable-it-to-withstand-higher-voltages-c-increase-its-electrical-conductivity-d","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/suitable-impurities-are-added-to-a-semiconductor-depending-on-its-use-this-is-done-in-order-to-a-increase-its-life-b-enable-it-to-withstand-higher-voltages-c-increase-its-electrical-conductivity-d\/","title":{"rendered":"Suitable impurities are added to a semiconductor depending on its use. This is done in order to A. increase its life B. enable it to withstand higher voltages C. increase its electrical conductivity D. increase its electrical resistivity"},"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_6a99793b080f2\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    increase its life                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    enable it to withstand higher voltages                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    increase its electrical conductivity                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    increase its electrical resistivity                <\/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: C. increase its electrical conductivity.<\/p>\n<p>Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical conductivity. The impurities are called dopants, and they can either increase or decrease the conductivity of the <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> semiconductor.<\/p>\n<p>Dopants that increase the conductivity are called donors. They donate electrons to the semiconductor, which makes it more conductive. Dopants that decrease the conductivity are called acceptors. They accept electrons from the semiconductor, which makes it less conductive.<\/p>\n<p>The type of dopant that is used depends on the desired application of the semiconductor. For example, semiconductors that are used in transistors need to have a high conductivity, so they are doped with donors. Semiconductors that are used in solar cells need to have a low conductivity, so they are doped with acceptors.<\/p>\n<p>Here is a brief explanation of each option:<\/p>\n<ul>\n<li>A. increase its life: This is not the main reason why impurities are added to semiconductors. The main reason is to increase their electrical conductivity. However, impurities can also affect the life of a semiconductor. For example, impurities can cause the semiconductor to degrade over time.<\/li>\n<li>B. enable it to withstand higher voltages: This is not the main reason why impurities are <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> added to semiconductors. The main reason is to increase their electrical conductivity. However, impurities can also affect the ability of a semiconductor to withstand high voltages. For example, impurities can make a semiconductor more susceptible to breakdown.<\/li>\n<li>D. increase its electrical resistivity: This is not the main reason why impurities are added to semiconductors. The main reason is to increase their electrical conductivity. However, impurities can also affect the electrical resistivity of a semiconductor. For example, impurities can make a semiconductor more resistant to current flow.<\/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":[25],"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>Suitable impurities are added to a semiconductor depending on its use. 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