« previous next »

Author Question: The phase angle of a series RL ac circuit with a 20.0-mH inductor and a certain resistor at 1000 Hz ... (Read 82 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
The phase angle of a series RL ac circuit with a 20.0-mH inductor and a certain resistor at 1000 Hz is 20.0. What is the resistance in this circuit?
 
  A) 145  B) 200  C) 100  D) 245  E) 345

Question 2

An object 3.4 mm tall is placed 25 cm from the vertex of a convex spherical mirror. The radius of curvature of the mirror has a magnitude of 52 cm.
  (a) How far is the image from the vertex of the mirror?
  (b) What is the height of the image?
 
  What will be an ideal response?


qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

(a) 13 cm (b) 1.7 mm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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?

Thyroid conditions may make getting pregnant impossible.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Carrie Mae Weems, A Negroid Type, from the series From Here I Saw What Happened and I Cried. Carrie Mae Weems, A Negroid Type, from the series From Here I Saw What Happened and I Cried.
Shown is the electronic circuit inside a ceramic disc MAP sensor used on many Chrysler engines. The ... Shown is the electronic circuit inside a ceramic disc MAP sensor used on many Chrysler engines. The ...
Variations in Solar Angle with Latitude Variations in Solar Angle with Latitude
How to find an angle in radians for any given trigonometric function How to find an angle in radians for any given trigonometric function
Regeneration phase of the Calvin cycle Regeneration phase of the Calvin cycle
Finding the angle from a ratio Finding the angle from a ratio
Video: Mendel's pea plant, Pisum sativum experimental

For a complete list of videos, visit our video library