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3 years ago

A wire delivers 120 C of charge in 40 s.

Physics

1 answer:

Neporo4naja [7]3 years ago

3 0

Answer:

3 A

Explanation:

Charge is a product of current and time, expressed as Q=It where Q is charge in Coulombs, I is current in Amperes and t is time taken in seconds. Making I the subject of the formula then $I=\frac {Q}{t}$

Substituting 120 C for charge and 40 s for t then $I=\frac {120}{40}=3\ A$

From the choices given, it appears that time should have been 4 s to get option A or alternatively charge should have been 1200 C

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Answer:

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