Question 1: What are the benefits of TVM’s over the conventional meters?
Question 2: Why is an electronic voltmeter more precise than an ordinary voltmeter? Draw its block diagram and describe its principle of operation.
Question 3: Describe in detail the principle of operation of electronic voltmeter with the help of the circuit diagram.
Question 4: Explain the construction and working of the electronic voltmeter.
Question 5: Draw the block diagram of the electronic voltmeter and describe its working.
Question 6: Compare the benefits and drawbacks of TVMs over VTMs. Describe the principle of operation of VTVM by using triode.
Question 7: Draw the circuit diagram of the vacuum tube voltmeter (VTVM) by using differential amplifiers in the common cathode mode and PMMC (permanent magnet moving coil) instrument as the output meter. Illustrate that the instrument can give a linear scale.
Question 8: Describe the working of Q-meter.
Question 9: Explain how power is measured at audio frequencies?
Question 10: Write brief notes on the given:
a) Electronic voltmeters.
b) VTVM.
c) Q-meter.