Physics Problem. Please explain the steps/answer.
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Physics Problem. Please explain the steps/answer.

[From: ] [author: ] [Date: 11-05-12] [Hit: ]
0ohm = 13ohm, so we can find voltage across the battery.(1.2A)*(13ohm) = 15.......
Thank you everyone is advance. I appreciate your help in understanding this : )

An 8.0 ohm resistor and a 5.0 ohm resistor are connected in series with a battery. The potential difference across the 5.0 ohm battery is measured as 6 V. Find the potential difference across the battery. Answer in units of V.

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All we need to know for this problem is V = IR

The current in the 5.0 ohm resistor is 6V / 5ohm = 1.2A
The current in the whole circuit must also be 1.2A and the equivalent resistance of the whole circuuit is 8.0ohm + 5.0ohm = 13ohm, so we can find voltage across the battery.
(1.2A)*(13ohm) = 15.6V
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