Physics Review Question

Unit: electricity
Year: 1990 Question#: 33
Question: If 10 coulombs of charge passes a given point in a conductor every 2 seconds, the current at that point is:

(1 ) 0.2 A
(2 ) 5 A
(3 ) 10 A
(4 ) 20 A

What is this question really asking?




Explanation by: Mike M

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Answer 1
0.5 A

INCORRECT

Try using . return to top























Answer 2
5 A

CORRECT

This is the correct answer because

10 coulombs / 2 seconds= 5 A. return to top



























Answer 3
10 A

INCORRECT

This is incorrect and can be found if the person used the charge as the amount of current. Remember  return to top


























Answer 4
20 A

INCORRECT

This is incorrect and can be found as an answer if the person multiplied the 10 Coulombs by the 2 seconds instead of dividing them. Rememeber  return to top
























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Answer 3
3. interference

INCORRECT