Most digital multimeters have a sensitivity of 200 mV and in input impedance of 10 MR. With this information you can calculate that at full scale there will be a current of 20 nA (nano-ampères). In ...
Climate Compass on MSN
Why Some Clouds Produce Lightning That Never Reaches the Ground
The dance of electrical charges high above us is more complex than most people realize. While we typically think of lightning ...
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