Quiz on capacitors

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  1. Posts : 21,007
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #1

    Quiz on capacitors


    Try this one for size we are always talking about then m and without cheating see wat you get .

    Me ? 10/10 of course
    HowStuffWorks "Capacitor Quiz"
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  2. Posts : 9,747
    Windows 7 Home Premium 64 bit sp1
       #2

    10/10 here as well, but that doesn't say much as it's a fairly basic test. :)
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  3. Posts : 611
    Windows 8.1
       #3

    9/10,

    Considering I learnt most of this from random places over my short years, i'm fairly suprised at this.
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  4. Posts : 21,007
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    Thread Starter
       #4

    Ranger4 said:
    10/10 here as well, but that doesn't say much as it's a fairly basic test. :)
    Yep basic it might be mate and I would have liked to have seen some of different types mentioned , and mind you it is surprising how many would not know anything at all about these what I consider are one of the most trouble prone components of any system.
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  5. Posts : 9,612
    Win 7 Ultimate 64 bit
       #5

    I take exception to two of the questions. One, air capacitors are no longer used in tuned circuits in radios and haven't been in years. Two, lightning is an electrical discharge, not an example of a capacitor.
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  6. Posts : 21,007
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       #6

    Lady Fitzgerald said:
    I take exception to two of the questions. One, air capacitors are no longer used in tuned circuits in radios and haven't been in years. Two, lightning is an electrical discharge, not an example of a capacitor.
    Yep I know about the air ones but I wonder how many don't even know they existed as for the lightning well technically I suppose the cloud/s are the capacitor in a sense.

    having said that there are many enthusiasts that still work with the older type radio sets that sue those type of caps.

    In reality one can act as a capacitor oneself and I think and I stand to be corrected that a lot of touch screens work on the principle that body mass alters the capacitance in the area touched as I know I built some stud finding device years ago that used that principle.
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  7. Posts : 9,612
    Win 7 Ultimate 64 bit
       #7

    I haven't seen an air gap variable capacitor in over 20 years (and what I saw then was really ancient). I have seen air gap capacitors on radio antennas, especially for high power transmitting, since then.
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  8. Posts : 4,287
    W10 Pro desktop, W11 laptop, W11 Pro tablet (all 64-bit)
       #8

    Lady Fitzgerald said:
    I take exception to two of the questions. One, air capacitors are no longer used in tuned circuits in radios and haven't been in years. Two, lightning is an electrical discharge, not an example of a capacitor.
    9/10 for me. But, I also take exception to the lightning answer. I actually believe snow is closer to being analogous to a capacitor than lightning. I liken snow building during a storm as the capacitor charging, then the snow melting as the capacitor discharging.

    The quiz was actually less than basic, most of the questions were actually irrelevant.
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  9. Posts : 9,612
    Win 7 Ultimate 64 bit
       #9

    strollin said:
    Lady Fitzgerald said:
    I take exception to two of the questions. One, air capacitors are no longer used in tuned circuits in radios and haven't been in years. Two, lightning is an electrical discharge, not an example of a capacitor.
    9/10 for me. But, I also take exception to the lightning answer. I actually believe snow is closer to being analogous to a capacitor than lightning. I liken snow building during a storm as the capacitor charging, then the snow melting as the capacitor discharging.

    The quiz was actually less than basic, most of the questions were actually irrelevant.
    Snow was also my answer.
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  10. Posts : 21,007
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    Thread Starter
       #10

    Lady Fitzgerald said:
    I haven't seen an air gap variable capacitor in over 20 years (and what I saw then was really ancient). I have seen air gap capacitors on radio antennas, especially for high power transmitting, since then.
    Hum have a few old sets at home my son and I used to mess around with - just love those vacuum tubes
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