« 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 32 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?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Video: Summation - defined, spatial, temporal & AP generation or not

For a complete list of videos, visit our video library