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 89 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

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

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

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black
The strange situation. The Strange Situation features a series of episodes in which (a) the mother l The strange situation. The Strange Situation features a series of episodes in which (a) the mother l
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
To maintain global power requires the continuous development of weapons. Shown here is the Osprey. ... To maintain global power requires the continuous development of weapons. Shown here is the Osprey. ...
This is what was found when removing an air filter from a vehicle that had a lack-of-power concern. ... This is what was found when removing an air filter from a vehicle that had a lack-of-power concern. ...
The growing demand for electrical power, carbon sequestration and storage must be a priority The growing demand for electrical power, carbon sequestration and storage must be a priority
Video: Muscle cell structures - actin, myosin and titin filaments

For a complete list of videos, visit our video library