STUPIDSID
1 (a)
Explain multi-range ohm-meter with diagram
5 M
1 (b)
What is back emf? Explain significance of back emf
5 M
1 (c)
Explain the function of delay line in oscilloscope. Which are the two types of delay lines?
5 M
1 (d)
State the requirements of a good laboratory type of signal generator
5 M
2 (a)
Draw and explain FET as a voltmeter. What are its sensitivity considerations?
10 M
2 (b)
Explain flash type ADC with suitable diagrams
10 M
3 (a)
Explain digital phase flip flop. Write its advantages and disadvantages
10 M
3 (b)
Explain the construction and working principle of Weston type frequency meter
10 M
4 (a)
Explai beat frequency oscillator and its advantages
10 M
4 (b)
Explain analog storage oscilloscope. State the drawbacks of analog storage oscilloscope.
10 M
5 (a)
How will you find the value of capacitance with the help of schering bridge? Explain with the help of derivation and vector diagram
10 M
5 (b)
Explain the construction and working of electrodynamometer type power factor meter.
10 M
6 (a)
Explain different methods of speed control of dc series motors.
10 M
6 (b)
Derive the torque equation for 3 phase induction motors. Explain v/f method of speed control of induction motors
10 M
Write short note on (any two) :-
7 (a)
Megger
7 M
7 (b)
Variable reluctance stepper motor
7 M
7 (c)
Derivation of torque equation for moving iron meters
7 M
7 (d)
Gear wheel method in CRO
7 M
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