The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

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Answer 1

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Chapter 28, Problem 12PQ

(a)

To determine

The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(b)

To determine

The think of how C might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(c)

To determine

The answer to the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

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Your problem: what is wrong with the following "solution" to the following problem? The problem: calculate the current through each resister and the voltage source ℰ = 15 Volts R1 = 10 Ω R2 = 20 Ω R3 = 30 Ω The "solution": I1 = the current through R1 = 15V/10Ω = 1.5 A I2 = 15V/20Ω = .75 A I3 = 15V/30Ω = .5 A Iℰ = 15V/15V = 1 A

An electric eel generates electric currents through its highly specialized Hunter’s organ, in which thousands of disk-shaped cells called electrocytes are lined up in series, very much in the same way batteries are lined up inside a flashlight. When activated, each electrocyte can maintain a potential difference of about 150 mV at a current of 1 A for about 2.0 ms. Suppose a grown electric eel has 4.0 × 103 electrocytes and can deliver up to 300 shocks in rapid series over about 1 s. (a) What maximum electrical power can an electric eel generate? (b) Approximately how much energy does it release in one shock? (c) How high would a mass of 1 kg have to be lifted so that its gravitational potential energy equals the energy released in 300 such shocks?

An electric eel generates electric currents through its highly specialized Hunter's organ, in which thousands of disk-shaped cells called electrocytes are lined up in series, very much in the same way batteries are lined up inside a flashlight. When activated, each electrocyte can maintain a potential difference of about 150 mV at a current of 1 A for about 2.0 ms. Suppose a grown electric eel has 3.60 ✕ 103 electrocytes and can deliver up to 300 shocks in rapid series over about 1 s. (a) What maximum electrical power can an electric eel generate? (b) Approximately how much energy does it release in four shocks? (c) How high would a mass of 9 kg have to be lifted so that its gravitational potential energy equals the energy released in 300 such shocks?

Answer 2

Question

Chapter 28, Problem 12PQ

(a)

To determine

The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(b)

To determine

The think of how C might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(c)

To determine

The answer to the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

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Answer 3

Question

Chapter 28, Problem 12PQ

(a)

To determine

The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(b)

To determine

The think of how C might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(c)

To determine

The answer to the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

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Answer 4

Question

Chapter 28, Problem 12PQ

(a)

To determine

The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(b)

To determine

The think of how C might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(c)

To determine

The answer to the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

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Answer 5

Chapter 28, Problem 12PQ

(a)

To determine

The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(b)

To determine

The think of how C might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

(c)

To determine

The answer to the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

Answer 6

Chapter 28, Problem 12PQ

(a)

To determine

The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

Answer 7

Chapter 28, Problem 12PQ

(a)

To determine

The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

Answer 8

(b)

To determine

The think of how C might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

Answer 9

(b)

To determine

The think of how C might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

Answer 10

(c)

To determine

The answer to the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

Answer 11

(c)

To determine

The answer to the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 28.1 - Prob. 28.1CE Ch. 28.2 - Prob. 28.2CE Ch. 28.3 - Prob. 28.3CE Ch. 28.5 - When a lightbulb burns out, its filament breaks so...Ch. 28.6 - A battery with terminal potential is connected to...Ch. 28.7 - A battery of terminal potential is connected to a...Ch. 28 - Prob. 1PQ Ch. 28 - Prob. 2PQ Ch. 28 - Prob. 3PQ Ch. 28 - Prob. 4PQ

The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

Solution Summary: The author analyzes how S might answer the questions of which bulb has the greatest current, brightest, and hottest, while the bulb F will have least of these values.

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The think of how S might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

The think of how C might answer the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

The answer to the questions of which bulb has the greatest current, which bulb is brightest, and which bulb is the hottest.

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Chapter 28 Solutions