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

Physics - bobpursley, Wednesday, April 9, 2008 at 1:43pm
both correct.
Physics - Anonymous, Wednesday, September 19, 2012 at 1:55pm
For the following series circuit, compute the power in R1, R2, and R3 if the circuit values are E = 24 volts, R1 = 8, R2= 12, and R3 = 28.

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