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Chapter 28: Q. 60 (page 793)

For the circuit shown in FIGURE P28.60, find the current through and the potential difference across each resistor. Place your results in a table for ease of reading.

Short Answer

Expert verified

We have given that the circuit.

We need to find the current through and potential difference across each resistor.

Step by step solution

01

Given information

We have given that the circuit.

We need to find the current through and potential difference across each resistor.

02

Simplify

The given circuit could be simplified to be drawn as shown in the figure below. If we have two points and there resistors connected at both ends of the points, we called that the resistors are connected in parallel connection. Equation (28.24)shows the equivalent resistance for the parallel connection in the form

1Req=1R1+1R2+...+1RN (1)

The three resistors 4惟,48惟and 16惟are in parallel, so we use equation (1)to get their combination by

1R1,eq=14惟+116惟+148惟R1,eq=14惟+116惟+148惟-1R1,eq=3惟

03

Simplify

fill

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Most popular questions from this chapter

What is the equivalent resistance between points a and b in FIGURE EX28.27?

It seems hard to justify spending \(4.00for a compact fluorescent lightbulb when an ordinary incandescent bulb costs 50垄. To see if this makes sense, compare a 60Wincandescent bulb lasting 1000hours to a 15Wcompact fluorescent bulb having a lifetime of 10,000hours. Both bulbs produce the same amount of visible light and are interchangeable. If electricity costs \)0.10/kWh, what is the total cost鈥攑urchase plus energy鈥� to obtain10,000 hours of light from each type of bulb? This is called the life-cycle cost.

Two of the three resistors in FIGURE EX28.22 are unknown but equal. The total resistance between pointsaandbis75惟is . What is the value of R?

A metal wire of resistance Ris cut into two pieces of equal length. The two pieces are connected together side by side. What is the resistance of the two connected wires?

a. What are the magnitude and direction of the current in the 18惟resistor in FIGURE EX28.5?

b. Draw a graph of the potential as a function of the distance traveled through the circuit, traveling cw from V=0Vat the lower left corner.
See all solutions

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