Problem 12:Part (a) What is the initial energy in the inductor in J? Eind = ______Part (b) How long will it take the current to decline to 25.00% of its initial value? Express this value in seconds.t = ______Part (c) Calculate the average power dissipated in W. Pave = ______ Problem 12: A 1.4 H inductor in an RL circuit (with resistance 2.05 2) is initially carrying acurrent of 5.2 A. A switch is then thrown (between positions 1 and 2, see figure), which causes the inductorto begin losing energy.Randomized VariablesI= 5.2 AL = 1.4 HR=2.05 QRL

Given dataCurrent value, Inductance value, Resistance value,

Problem 12: Part (a) What is the initial energy in the inductor in J? Eind = ______ Part (b) How long will it take the current to decline to 25.00% of its initial value? Express this value in seconds. t = ______ Part (c) Calculate the average power dissipated in W. Pave = ______

Problem 12: Part (a) What is the initial energy in the inductor in J? Eind = Part (b) How long will it take the current to decline to 25.00% of its initial value? Express this value in seconds. t = Part (c) Calculate the average power dissipated in W. Pave = __

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter8: Basic Electric Motors

Section: Chapter Questions

Problem 25RQ: List the five capacitor replacement rules.

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Concept explainers

Unijunction Transistor (UJT)

The Unijunction Transistor (UJT) is a three-terminal switching semiconductor device. It contains an n-shaped silicone object bar with a terminal attached to its two ends known as base one and base two. The third terminal is connected to a highly enclosed p-type material attached to the bar section of its length and is known as emitter. As there is only one corrective cross within the device, it is therefore called the 'Unijunction' transistor. The characteristics of the single junction transistor show the wrong resistance if it finds use in resting oscillator circuits for various applications.

Question

Problem 12:

Part (a) What is the initial energy in the inductor in J?

E_ind = ______

Part (b) How long will it take the current to decline to 25.00% of its initial value? Express this value in seconds.

t = ______

Part (c) Calculate the average power dissipated in W.

P_ave = ______

Problem 12: A 1.4 H inductor in an RL circuit (with resistance 2.05 2) is initially carrying a
current of 5.2 A. A switch is then thrown (between positions 1 and 2, see figure), which causes the inductor
to begin losing energy.
Randomized Variables
I= 5.2 A
L = 1.4 H
R=2.05 Q
R
L

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Step 2: Determine the initial energy in the inductor

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Step 3: Determine the time required to decline the current by 25% of its initial value.

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Step 4: Calculate the average power dissipated

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