Which of the following is a unit of the time rate of flow of electric charges?
A. coulomb B. ampere C. volt D. watt Correct Answer: Option B B. ampereIf the charge on an object is measured as 4.0 x 10^-18C, how many excess electrons does the object possess, given that the charge of an electron is 1.6 x 10^-18C
A. 18 B. 19 C. 25 D. 37 Correct Answer: Option C C. 25A negatively charged rod is held close to an uncharged metal ball on an insulating stand. The ball will?
A. be negatively charged B. be positively charged C. have an excess negatively charges on the side nearest the rod D. have an excess positively charges on the side nearest the rod Correct Answer: Option D D. have an excess positively charges on the side nearest the...Which of the following defects of vision is as a result of the eyeball being too long?
A. long sight B. astigmatism C. short sight D. loss of accommodation Correct Answer: Option C C. short sightProducts
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