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October 31, 2014

Homework Help: Physics

Posted by Jon on Wednesday, April 9, 2008 at 1:41pm.

1)If a resistor is added to a parallel circuit, the equivalent resistance:

A)increases
B)decreases
C)remains the same
D)becomes zero

I got B

2)A 10.0 resistor, 20.0 resistor, and 25.0 resistor are connected in series across a 110-V supply. Calculate the current in the circuit.

A)2.0 A
B)4.5 A
C)55 A
D)11 A

V source/R
110/55
answer= A

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