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Chapter 28: Q. 43 (page 792)

You have a 2.0鈩�resistor, a 3.0鈩�resistor, a 6.0鈩�resistor, and a 6.0Vbattery. Draw a diagram of a circuit in which all three resistors are used and the battery delivers 9.0 W of power.

Short Answer

Expert verified

Diagram of the circuit

Step by step solution

01

Given information

We have given

Resistances =2鈩�,3鈩�,6鈩�

Battery Voltage =6V

Power =9W

We have to draw the correct circuit diagram.

02

Simplify

we know that power delivered by the battery will be,

P=V2RR=V2P=369=4鈩�

we should arrange the resistance just like that we get total equivalent is localid="1649324068838" 4鈩�.

There is only one method if we arrange the two of them in parallel and one in series then,

localid="1649324073026" 1Req1=13+16Req1=2鈩�Req=2+2=4鈩�

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Most popular questions from this chapter

Bulbs A and B in FIGURE Q28.12 are identical, and both are glowing. What happens to each bulb when the switch is closed? Does its brightness increase, stay the same, decrease, or go out? Explain

The switch in FIGURE CP28.80 has been closed for a very long time.

a. What is the charge on the capacitor?

b. The switch is opened at t = 0 s. At what time has the charge on the capacitor decreased to 10% of its initial value?

The five identical bulbs in FIGURE EX28.11are all glowing. The battery is ideal. What is the order of brightness of the bulbs, from brightest to dimmest? Some may be equal.

A.P=T>Q=R=S

B.P>Q=R=S>T

C.P=T>Q>R=S

D.P>Q>T>R=S

Are the two resistors in FIGURE Q28.7 in series or in parallel? Explain.

Rank in order, from largest to smallest, the powers Pato Pddissipated by the four resistors in FIGURE
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