Chapter 18, Problem 7P

### College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

Chapter
Section

### College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

# (a) Find the equivalent resistance between points a and b in Figure P18.7. (b) Calculate the current in each resistor if a potential difference of 34.0 V is applied between points a and b.Figure P18.7

(a)

To determine
The equivalent resistance between the point a and b in the given figure P18.7.

Explanation

Given Info: The two parallel resistors isÂ  R1P=7.00â€‰Î© and R2P=10.0â€‰Î© .

Explanation:

The two parallel resistors is R1P=7.00â€‰Î© and R2P=10.0â€‰Î© .

Formula to calculate the equivalent resistance of the two parallel resistors is,

1RP=1R1P+1R2P

• RP is the equivalent resistance ,
• R1P and R2P is the two parallel resistors,

Rewrite the above relation as RP .

RP=R1PR2PR1P+R2P

Substitute 7.00â€‰Î© for R1P and 10.0â€‰Î© for R2P .

RP=(7

(b)

To determine
The current through each resistor from the given figure P18.7.

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