Saturday
May 25, 2013

# Homework Help: physics

Posted by sophie on Tuesday, April 7, 2009 at 6:36pm.

A 15.0 resistor and a 20.0 resistor are connected in parallel. A 5.00 resistor is connected across a 1.00 10^2-V battery. What is the current flowing through the 20.0 resistor?
A. 1.21 A
B. 3.15 A
C. 5.00 A
D. 6.84 A
I don't think it's C....

• physics - bobpursley, Tuesday, April 7, 2009 at 7:51pm

If I read this correctly, all three resistors are in parallel, so the current in the 20 ohm resistor is 100/20 amps.
The wording is confusing on the 5 ohm reistor connection.

• physics - sophie, Tuesday, April 7, 2009 at 8:11pm

I know, I think they left out words or something... I'm just going to put C...

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