This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A 45-mH ideal inductor is connected in series with a 60- resistor through an ideal 15-V DC power ... (Read 102 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
on: Jul 29, 2018
A 45-mH ideal inductor is connected in series with a 60- resistor through an ideal 15-V DC power supply and an open switch. If the switch is closed at time t = 0 s, what is the current 7.0 ms later?
 
  A) 250 mA
  B) 650 mA
  C) 550 mA
  D) 280 mA
  E) 850 mA

Question 2

A series LR circuit contains an emf source of having no internal resistance, a resistor, a inductor having no appreciable resistance, and a switch.
 
  If the emf across the inductor is of its maximum value after the switch is closed, what is the resistance of the resistor?
  A) 14
  B) 1.9
  C) 1.5
  D) 5.0


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrerig

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


Awilson837

  • Member
  • Posts: 509
Reply 2 on: Jul 29, 2018
:D TYSM

xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

In most ecosystems, sunlight provides the ultimate source of energy to power all biological activity In most ecosystems, sunlight provides the ultimate source of energy to power all biological activity
Laylah Ali, Untitled, from the series Greenheads. Laylah Ali, Untitled, from the series Greenheads.
Per capita consumption of power is high in the developed world and highest in the United States Per capita consumption of power is high in the developed world and highest in the United States
The Power of Classical Conditioning The Power of Classical Conditioning
Bowen’s Reaction Series Bowen’s Reaction Series
An old set of christmas tree lights have 30 lights, 20.6~ each in a series alignment. Determine ... An old set of christmas tree lights have 30 lights, 20.6~ each in a series alignment. Determine ...
Video: Photosynthesis and Van Helmont Experiment

For a complete list of videos, visit our video library