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Operational Amplifiers - Technical MCQs

Q1:

What starts a free-running multivibrator?

A a trigger

B an input signal

C an external circuit

D nothing

ANS:D - nothing

Free ranging multivibrator is called astable multivibrator because there is no stable state are not available in this multivibrator.

And also without triggering so it is called astable multivibrator.