A charge of $6 C$ $6 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $42 J$ $42 J$ to $12 J$ $12 J$ , what is the voltage between points A and B?

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Answer 1 · 2017-04-20T05:46:49

The voltage is $= 5 V$ $=5V$

The potential difference between the points $A$ $A$ and $B$ $B$ is $= U$ $=U$

Voltage =Energy)/Charge

$U=(DeltaE)/Q$

$DeltaE=42-12=30J$

The charge is $Q=6C$

$1 V=(1J)/C$

$U=30/6=5V$

A charge of 6 C6C6 C is passing through points A and B on a circuit. If the charge's electric potential changes from 42 J42J42 J to 12 J12J12 J, what is the voltage between points A and B?