Bissoy.com
Doctors Medicines MCQs Q&A

Related Questions

What do phase-shift oscillators, twin-T oscillators, and Wien bridge oscillators have in common? a. They use RC frequency control b. They have a sinusoidal output. c. They use amplifier gain to overcome feedback loss.
A quartz crystal of thickness 0.001m is vibrating at resonance. Calculate the fundamental frequency. Density of quartz = 2.650×103 kg/m3 and Young’s modulus for quartz = 7.9×1010 N/m2.
A slurry stream containing quartz is diverted into one litre density can. The time taken to fill up the can is measured as 5 sec. The pulp density is measured to be 1250 kg/m3. Calculate the mass flow rate of quartz within the slurry. Assuming the density of quartz is 2650kg/m3
Consider the following statements related to oscillator circuits : 1. The tank circuit of a Hartley oscillator is made up of a tapped capacitor and a common inductor. 2. The tank circuit of a Colpitts oscillator is made up of a tapped capacitor and a common oscillator. 3. The Wien Bridge oscillator is essentially a two-stage amplifier with an RC bridge in the first stage, and, the second stage serving as an inverter. 4. Crystal oscillators are fixed frequency oscillators with a high Q-factor.  Which of the following are true?
Quartz crystal and tourmaline used in oscillators work on the principle of:
Quartz crystal is used in the _______region, where the operating point of the crystal is fixed.
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 5g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 6g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 16.67g Density of crystal is d= 5g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 2g/m3 Area of crystal A= 10m2