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

Author Question: A 1.50-H inductor is connected in series with a 200- resistor through an ideal 15.0-V dc power ... (Read 53 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jul 29, 2018
A 1.50-H inductor is connected in series with a 200- resistor through an ideal 15.0-V dc power supply and an open switch. How much energy is contained in the inductor 20.0 ms after closing the switch?
 
  A) 5.48 mJ B) 0.910 mJ C) 7.31 mJ D) 3.65 mJ E) 1.83 mJ

Question 2

An amateur astronomer grinds a double convex lens whose surfaces have radii of curvature of magnitudes 40 cm and 60 cm. The glass has an index of refraction of 1.54. What is the focal length of this lens when used in the night air?
 
  A) 220 cm B) 43 cm C) 130 cm D) 89 cm E) 44 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Laurenleakan

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

E


V@ndy87

  • Member
  • Posts: 571
Reply 2 on: Jul 29, 2018
:D TYSM

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Table 6.1 illustrates the main regime types and their differences. It breaks the regimes into four Table 6.1 illustrates the main regime types and their differences. It breaks the regimes into four
This slave burial service, painted by John Antrobus in 1860, reflects an inversion of power relation This slave burial service, painted by John Antrobus in 1860, reflects an inversion of power relation
Durable power of attorney. Durable power of attorney.
Power of Positivity Power of Positivity
Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ... Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Acids and bases - definition

For a complete list of videos, visit our video library