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Flip-Flops - Technical MCQs

Q1:

The timing network that sets the output frequency of a 555 astable circuit contains ________.

A three external resistors are used

B two external resistors and an external capacitor are used

C an external resistor and two external capacitors are used

D no external resistor or capacitor is required

ANS:B - two external resistors and an external capacitor are used

No answer description is available.