« previous next »

Author Question: A resistor is connected to normal 60. Hz, 120. volt AC. How many times a second does the ... (Read 39 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
A resistor is connected to normal 60. Hz, 120. volt AC. How many times a second does the instantaneous dissipated POWER reach a maximum?
 
  A) 240
  B) 0
  C) 60
  D) 30
  E) 120

Question 2

An electron is moving with speed 21. m/s.
 
  (a) What is its deBroglie wavelength?
  (b) What Diffraction Grating spacing between slits would give a 1st order maximum at 30.0?


pocatato

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

(a) 35. m
(b) 69. m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Summation of Heart Sounds, Normal S2 Summation of Heart Sounds, Normal S2
Pediatric Vital Signs Normal Ranges Pediatric Vital Signs Normal Ranges
Average Normal Blood Pressure Readings Average Normal Blood Pressure Readings
Slapping tapotement on the bottom of the foot. Slap lightly 4–5 times. Slapping tapotement on the bottom of the foot. Slap lightly 4–5 times.
An aqueous solution has a normal boiling point of 103.0C. What is the freezing point of this ... An aqueous solution has a normal boiling point of 103.0C. What is the freezing point of this ...
Video: Corpus Callosum Animation

For a complete list of videos, visit our video library