How many excess electrons does oil drop have here
An oil drop whose mass is determined to be 3.3x10^-15 is held at rest between two large plates separated by 1cm when the potential difference between them is 340 V. How many excess electrons does this have here?
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An oil drop whose mass is determined to be 3.3x10^-15 is held at rest between two large plates separated by 1cm when the potential difference between them is 340 V.
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At a point P a distance d from a point charge, the potential relative to infinity is V and the electric-field magnitude is E. If you now move to a point S at which the potential is 0.333 V, the electric-field magnitude at S will be?
Why might a physician perform a Gram stain on a sample from a sick patient before prescribing an antibiotic?
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