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

Author Question: A sinusoidal electromagnetic wave in vacuum delivers energy at an average rate of 5.00 W/m2. What ... (Read 75 times)

bcretired

  • Hero Member
  • *****
  • Posts: 525
on: Jul 29, 2018
A sinusoidal electromagnetic wave in vacuum delivers energy at an average rate of 5.00 W/m2.
 
  What are the amplitudes of the electric and magnetic fields of this wave? (c = 3.0 x 108 m/s, 0 = 4  10-7 T  m/A, 0 = 8.85  10-12 C2/N  m2)

Question 2

A resistor and a capacitor are connected in series across an ideal battery having a constant voltage across its terminals. At the moment contact is made with the battery (a) the voltage across the capacitor is A.
 
  equal to the battery's terminal voltage. B) less than the battery's terminal voltage, but greater than zero. C) equal to the battery's terminal voltage. D) zero. (b) the voltage across the resistor is A. equal to the battery's terminal voltage. B) less than the battery's terminal voltage, but greater than zero. C) equal to the battery's terminal voltage. D) zero.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jayson

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 29, 2018
Answer to Question 1

Emax = 0.0614 V/m, Bmax = 0.205 nT

Answer to Question 2

(a) D (b) C


bcretired

  • Member
  • Posts: 525
Reply 2 on: Jul 29, 2018
:D TYSM

cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Energy budget for a temperate deciduous forest (data from Gosz et al. 1978). Energy budget for a temperate deciduous forest (data from Gosz et al. 1978).
Determining the order and rate constant of an irreversible first-order reaction Determining the order and rate constant of an irreversible first-order reaction
Light energy from the Sun powers Light energy from the Sun powers
Ocean Energy Ocean Energy
World Total Energy Consumption by Fuel Type World Total Energy Consumption by Fuel Type
Energy pyramid Energy pyramid
Video: Gastrin (gastric emptying) & Secretin (buffering gastric acid)

For a complete list of videos, visit our video library