STUPIDSID
Any five:
1(a)
SCR is a semi-Controlled device. Justify.
5 M
1(b)
Enlist application of Rectifier diode, Zener diode, Light emitting diode, Photo diode.
5 M
1(c)
Explain use of Multiplexer, De-multiplexer, Boolean algebra, Encoder.
5 M
1(d)
Discuss effect of R-l & R-L-E load on full wave rectifier operation.
5 M
1(e)
Compare AC and DC motors.
5 M
1(f)
Mention power consumption of MSP 430 in different operating modes.
5 M
1(g)
Explain application of BLDC motor & servmotor.
5 M
2(a)
Explain any one application circuit of TRIAC-DIAC with waveform.
7 M
2(b)
Draw different circuits of full wave controlled rectifier with R-load & calculate fining angle at which fully controlled full wave rectifier is to be operated to get output de voltage 110V from input voltage 230V,50Hz.
7 M
2(c)
Explain register released to configuration of digital input/output port of MSP 430 microcontroller.
6 M
3(a)
Draw circuit diagram and waveform of 3-phase bridge inverter with R-load (180° mode of conduction)
7 M
3(b)
Explain frequency control scheme of 3phase induction motor with the help of block diagram.
7 M
3(c)
Draw the circuit diagram and write the output voltage equation of inverting amplifier and summing amplifier.
6 M
4(a)
Explain IC555 astable multivibrator.
7 M
4(a)
Explain functional block diagram of MSP430 microcontroller.
7 M
4(c)
Draw and explain block diagram of closed loop speed control of DC (with inner current loop)
6 M
5(a)
Discuss interfacing of 3V system with 5V system and heavy loads like motors.
7 M
5(b)
Write a short note on 'selection of motor & power rating for a pump'.
7 M
5(c)
Discuss accuracy,resolution and lest significant bit regarding 10-bit ADC.
6 M
6(a)
Compare the following:Power transistor,SCR,MOSFET and IGBT
7 M
6(b)
Microprocessor and microcontroller.
7 M
6(c)
TTL and CMOS technology.
6 M
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