A charge of $12 C$ $12 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $60 J$ $60 J$ to $35 J$ $35 J$ , what is the voltage between points A and B?

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Answer 1 · 2017-08-12T12:01:34

The voltage is $= 2.083 V$ $=2.083V$

The charge is $Q = I t$ $Q=It$

We apply Ohm's Law

$U = R I$ $U=RI$

The power is

$P = U I$ $P=UI$

And the energy is

$E = U I t$ $E=UIt$

$E = U Q$ $E=UQ$

and

$DeltaE=QDeltaU$

The voltage is

$DeltaU=(DeltaE)/Q=(60-35)/12=25/12=2.083V$

A charge of 12 C12C12 C is passing through points A and B on a circuit. If the charge's electric potential changes from 60 J60J60 J to 35 J35J35 J, what is the voltage between points A and B?