Curioustab

Home » Digital Electronics » Multivibrators and 555 Timer

A crystal demonstrates the ________ effect when a mechanical force across the crystal causes a small voltage to be generated.

photoelectric
Co-pitts
piezoelectric
flywheel

Correct Answer: piezoelectric

← Previous Question Next Question→

More Questions from Multivibrators and 555 Timer

Is there any limit to the number of times that a 74123 can be retriggered?
Determine tHI and tLO for the circuit given below.
An astable 555 timer has the following number of stable states:
What is the output pulse width of the waveform at the output of the circuit in the given figure?
What is the difference between an astable multivibrator and a monostable multivibrator?
A retriggerable one shot has a pulse of 10 ms. 3 ms after being triggered, another trigger pulse is applied. The resulting output pulse will be ________ ms.
Which mode of operation is being used when a 555 timer chip has two external resistors and an external capacitor?
If the resistor in the Schmitt trigger astable multivibrator is a variable resistor, what part of the output voltage waveform will change when the resistance is changed?
The ________ is defined as the time the output is active divided by the total period of the output signal.
What is the function of the comparators in the 555 timer circuit?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion