Homework Help: physics

Posted by taryn on Sunday, February 24, 2013 at 8:05pm.

(a) What is the resistance of a 120 , a 2.50 k, and a 4.00 k resistor connected in series?

(b) What is the resistance if they are connected in parallel?

physics - bobpursley, Sunday, February 24, 2013 at 8:06pm
a. add them
b. use the formula:

1/Rt= 1/R1 + 1/R2 + 1/R3

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