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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 38 times)

RRMR

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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

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


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