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    Posted by Nigel McC on January 10, 2004, 3:40 am, in reply to "Re: Rover 45 diesel Y plate battery going flat"

    peter

    i was referring to a low current probe with narrow jaws and i am aware that it is the magnetic field we measure when using a probe .

    maybe you could do an exercise sometime and then explain to me why a very small current wont show up on the main battery cable but will show up when a smaller jumper cable is used .

    i would have thought a thicker insulator would weaken the magnetic field .


    nigel


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