« 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 53 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?

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?

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.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Hokusai, Sunshu Ejiri, from the series Thirty-Six Views of Mount Fuji. Hokusai, Sunshu Ejiri, from the series Thirty-Six Views of Mount Fuji.
Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit. Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit.
A typical heated zirconia oxygen sensor, showing the sensor signal circuit that uses the outer ... A typical heated zirconia oxygen sensor, showing the sensor signal circuit that uses the outer ...
A fuel system tester connected in series in the fuel system so all of the fuel used flows through ... A fuel system tester connected in series in the fuel system so all of the fuel used flows through ...
The muscle-spindle feedback circuit The muscle-spindle feedback circuit
How to find the resultant vector of two vectors separated by a known angle How to find the resultant vector of two vectors separated by a known angle
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library