A charge of $2 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $25 J$ to $7 J$ , what is the voltage between points A and B?

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Answer 1 · 2017-03-23T07:33:00

The voltage is $=9 V$

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

Voltage =Energy/Charge

$V=(DeltaE)/Q$

$DeltaE=25-7=18J$

$Q=2C$

$1 V=(1J)/C$

$V=18/2=9$ Volts

A charge of 2 C2 C is passing through points A and B on a circuit. If the charge's electric potential changes from 25 J25 J to 7 J7 J, what is the voltage between points A and B?