{"id":56109,"date":"2024-04-16T00:38:58","date_gmt":"2024-04-16T00:38:58","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=56109"},"modified":"2024-04-16T00:38:58","modified_gmt":"2024-04-16T00:38:58","slug":"piezo-electric-transducers-are","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/piezo-electric-transducers-are\/","title":{"rendered":"Piezo-electric transducers are"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;Passive transducers&#8221; option2=&#8221;Inverse transducers&#8221; option3=&#8221;Digital transducers&#8221; option4=&#8221;Pulse transducers&#8221; correct=&#8221;option1&#8243;]<!--more--><\/p>\n<p>The correct answer is: A. Passive transducers.<\/p>\n<p>A piezoelectric transducer is a device that converts mechanical energy into electrical energy or vice versa. It is a passive transducer, which means that it does not require an external power source to operate. When a mechanical force is applied to a piezoelectric material, it generates an electric charge. Conversely, when an electric voltage is applied to a piezoelectric material, it will deform.<\/p>\n<p>Piezoelectric transducers are used in a wide variety of applications, including:<\/p>\n<ul>\n<li>Ultrasonic sensors<\/li>\n<li>Loudspeakers<\/li>\n<li>Microphones<\/li>\n<li>Inductive proximity sensors<\/li>\n<li>Accelerometers<\/li>\n<li>Gyroscopes<\/li>\n<\/ul>\n<p>The main advantage of piezoelectric transducers is that they are very efficient. They can convert a large amount of mechanical energy into electrical energy or vice versa. However, they are also relatively expensive.<\/p>\n<p>Here is a brief explanation of each option:<\/p>\n<ul>\n<li>A passive transducer is a device that converts energy from one form to another without the use of an external power source.<\/li>\n<li>An inverse transducer is a device that converts energy from one form to another in the opposite direction of a direct transducer.<\/li>\n<li>A digital transducer is a device that converts an analog signal into a digital signal or vice versa.<\/li>\n<li>A pulse transducer is a device that converts a continuous signal into a series of pulses or vice versa.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;Passive transducers&#8221; option2=&#8221;Inverse transducers&#8221; option3=&#8221;Digital transducers&#8221; option4=&#8221;Pulse transducers&#8221; correct=&#8221;option1&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[740],"tags":[],"class_list":["post-56109","post","type-post","status-publish","format-standard","hentry","category-electronics-and-instrumentation","no-featured-image-padding"],"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>Piezo-electric transducers are<\/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\/piezo-electric-transducers-are\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Piezo-electric transducers are\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;Passive transducers&#8221; 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