« previous next »

Author Question: A resistor is connected to normal 60. Hz, 120. volt AC. How many times a second does the ... (Read 28 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?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Normal Faults Common at divergent plate boundaries Normal Faults Common at divergent plate boundaries
The throttle pedal is connected to the accelerator pedal position (APP) sensor. The electronic ... The throttle pedal is connected to the accelerator pedal position (APP) sensor. The electronic ...
A digital storage oscilloscope can be easily connected to an injector by carefully back-probing ... A digital storage oscilloscope can be easily connected to an injector by carefully back-probing ...
Blood vessels: (A) normal artery; (B) constriction; (C) arteriosclerosis and atherosclerosis. Blood vessels: (A) normal artery; (B) constriction; (C) arteriosclerosis and atherosclerosis.
Changes in bronchioles during an asthma attack: (a) normal bronchiole; (b) asthmatic bronchiole. Changes in bronchioles during an asthma attack: (a) normal bronchiole; (b) asthmatic bronchiole.
Section of a normal brain (left) and an HD brain (right). The HD brain shows extensive damage to the Section of a normal brain (left) and an HD brain (right). The HD brain shows extensive damage to the
Video: Sickle Cell Anemia

For a complete list of videos, visit our video library