« previous next »

Author Question: A 555 IC configured as an astable multivibrator has an RA value of 2 k, and RB value of 47 k, and a ... (Read 17 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
on: Jul 28, 2018
A 555 IC configured as an astable multivibrator has an RA value of 2 k, and RB value of 47 k, and a C value of 0.1 F. The output frequency (f0 ) of the free-running multivibrator is
 
  A) 7.2 kHz B) 153 Hz C) 150 kHz D) 150 Hz

Question 2

Which of the following is not an example of a switch in electrical circuits?
 
  A) fuse B) diode
  C) transistor D) electromechanical relay


bobsmith

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Video: Hip Animation

For a complete list of videos, visit our video library