Physics · Electronics
In which mode of operation does the IC 555 timer continuously generate a periodic square wave without requiring any external triggering pulse?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Schmitt trigger mode
- 2Bistable mode
- 3Monostable mode
- 4Astable mode✓
Correct answer
Astable mode
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