46) In a piezo electric crystal oscillator, the oscillation or turning frequency is linearly proportional to the

mass of the crystal

square root of the mass of the crystal

square of the mass of the crystal

inverse of the square root of the mass of the crystal

Answer is:

inverse of the square root of the mass of the crystal

Both use positive feedback

The former uses positive feedback only, whereas the later uses both positive and negative feedback.

The former uses both positive and negative feedback only whereas later uses positive feedback

Both use negative feedback

Answer is:

a switching device

a resistor

a capacitor

all of the above

Answer is:

monostable multivibrator

astable multivibrator

bistable multivibrator

none of the above

Answer is:

an astable multivibrator

a bistable multivibrator

a monostable multivibrator

none of the above

Answer is: