Physics, asked by sw5alaaymis5Trisha, 1 year ago

How many electrons must be removed from a coin of 1.6g so that it may just float in an electric field, E = 109N/C directed upwards ?

Answers

Answered by sunnygopid

0

float in an electric field
now qe=mg we get q
then use formula Q=ne get n form this

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