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单词 megohm
释义

Definition of megohm in English:

megohm

noun ˈmɛɡəʊmˈmeɡōm
  • A unit of electrical resistance equal to one million ohms.

    Example sentencesExamples
    • His third prototype culminated his design, which, he wrote, is ‘a simple switching gate circuit which produces an AC current; the cycle rate is achieved by the use of two one megohm resistors and a 0.01 microfarad capacitor.’
    • With this megohm meter all you need to do is connect both leads to your motor or device and press and hold the button and view the graph.
    • After drying for 24 hours at ambient temperature, its surface resistivity is 0.005 megohm per square, a value which is 1000 times less than the minimum of 5 megohms per square required.
    • This inaccurate value is 6.67% higher than the actual parallel resistance of 25 megohms.
    • The tester compares the measurement to preset lower and upper (1.25 or 10 megohms) resistance levels.

Origin

Mid 19th century: from mega- (as a unit of measurement) + ohm.

 
 

Definition of megohm in US English:

megohm

nounˈmeɡōm
  • A unit of electrical resistance equal to one million ohms.

    Example sentencesExamples
    • This inaccurate value is 6.67% higher than the actual parallel resistance of 25 megohms.
    • After drying for 24 hours at ambient temperature, its surface resistivity is 0.005 megohm per square, a value which is 1000 times less than the minimum of 5 megohms per square required.
    • With this megohm meter all you need to do is connect both leads to your motor or device and press and hold the button and view the graph.
    • The tester compares the measurement to preset lower and upper (1.25 or 10 megohms) resistance levels.
    • His third prototype culminated his design, which, he wrote, is ‘a simple switching gate circuit which produces an AC current; the cycle rate is achieved by the use of two one megohm resistors and a 0.01 microfarad capacitor.’

Origin

Mid 19th century: from mega- (as a unit of measurement) + ohm.

 
 
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更新时间:2024/12/25 22:17:27