{"id":19147,"date":"2024-04-15T05:35:37","date_gmt":"2024-04-15T05:35:37","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=19147"},"modified":"2024-04-15T05:35:37","modified_gmt":"2024-04-15T05:35:37","slug":"if-n1-n2-2-and-the-primary-voltage-is-120-v-what-is-the-secondary-voltage-a-0-v-b-36-v-c-40-v-d-60-v-e-none-of-the-above","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/if-n1-n2-2-and-the-primary-voltage-is-120-v-what-is-the-secondary-voltage-a-0-v-b-36-v-c-40-v-d-60-v-e-none-of-the-above\/","title":{"rendered":"If N1\/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? A. 0 V B. 36 V C. 40 V D. 60 V 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_6abd17e85b152\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    0 V                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    36 V                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    40 V                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    60 V 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 $\\boxed{\\text{D}}$, 60 V.<\/p>\n<p>The voltage ratio of a transformer is given by the equation:<\/p>\n<p>$$\\frac{V_p}{V_s} = \\frac{N_p}{N_s}$$<\/p>\n<p>where $V_p$ is the primary voltage, $V_s$ is the secondary voltage, $N_p$ is the number of turns in the primary coil, and $N_s$ is the number of turns in the secondary coil.<\/p>\n<p>In this case, we are given that $N_p\/N_s = 2$ and $V_p = 120 \\text{ V}$. Substituting these values into the equation, we get:<\/p>\n<p>$$\\frac{V_p}{V_s} = \\frac{N_p}{N_s} = 2$$<\/p>\n<p>$$V_s = V_p \\cdot \\frac{N_s}{N_p} = 120 \\text{ V} \\cdot \\frac{1}{2} = 60 \\text{ V}$$<\/p>\n<p>Therefore, the secondary voltage is 60 V.<\/p>\n<p>Option A is incorrect because the secondary voltage cannot <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> be 0 V. This is because the transformer is a passive device, and it cannot create energy. The secondary voltage can only be less than or equal to the primary voltage.<\/p>\n<p>Option B is incorrect because the secondary voltage cannot be 36 V. This is because the voltage ratio is 2, and the secondary voltage is always less than or equal to the primary voltage.<\/p>\n<p>Option C is incorrect because the secondary voltage cannot be 40 V. This is because the voltage ratio is 2, and <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> the secondary voltage is always less than or equal to the primary voltage.<\/p>\n<p>Option E is incorrect because the secondary voltage is not none of the above. The secondary voltage is 60 V.<\/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":[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>If N1\/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? A. 0 V B. 36 V C. 40 V D. 60 V E. 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