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

Consider the combination of resistors shown in Figure P18.8. (a) Find the equivalent resistance between point a and b. (b) If a voltage of 35.0 V is applied between points a and b, find the current in each resistor.Figure P18.8

(a)

To determine
The equivalent resistance between the points a andb.

Explanation

Given Info:

Explanation:

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

1RP1=1R1+1R2

• RP1 is the equivalent resistance for the parallel combination ,
• R1 and R2 is the two parallel resistors,

Rewrite the above relation as RP1 .

RP1=R1R2R1+R2

Thus, the equivalent resistance of the two parallel resistors is RP1=4.00â€‰Î© .

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

1RP2=1R4+1R5

• RP2 is the equivalent resistance for the parallel combination ,
• R4 and R5 is the two parallel resistors,

Rewrite the above relation as RP2

(b)

To determine
The current through each resistor from the given figure P18.8.

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