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problem 1: With the help of a neat sketch describe the construction and working of different parts of a cathode ray tube.

problem 2: Deduce an expression for the vertical deflection on the screen of a cathode ray tube in terms of length of plates, accelerating voltage, separation distance, deflecting voltage and the distance of screen from the origin.

problem 3: describe the functions of the necessary components of a CRO with the help of block diagram. How the sensitivity of a CR tube is rated? How would you use CRO to measure the phase difference of two sinusoidal signals?

problem 4: Describe with block diagram the different parts of a CRT. What additional components are required to make it a CRO? Describe how you would measure frequency by using a CRO.

problem 5: Describe the different applications of oscilloscope for the measurement of voltage, current, phase angle and frequency.

problem 6: describe how the given are determined from the trace on a CRT.

a) rms value of a sine wave
b) Phase difference between two voltages of the similar frequency.

problem 7: Describe how the applied voltage wave is displayed on the screen of a cathode ray tube. Sketch the similar.

problem 8: What are the different applications of the cathode ray oscilloscope?

problem 9: With the help of a sketch, describe the principle of operation of a cathode ray oscilloscope. Illustrate the applications in the field of measurements.

problem 10: prepare brief notes on the given:

a) Cathode ray oscilloscope.
b) Cathode ray tube.
c) Basic controls of a CRO.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M97583

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