Exam Details
| Subject | Principles of Electrical Science | |
| Paper | ||
| Exam / Course | B.Tech. Civil (Construction Management) / (Water Resources Engineering)/ (Aero Space Engineering) BTCM-BTWRE | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2015 | |
| City, State | new delhi, |
Question Paper
Explain the following terms pertaining to AC wave:
Peak and Average value of sinusoidal current
Effective or r.m.s. value
What is superposition theorem? Give an example using a circuit diagram.
Draw the block diagram of any basic feedback control system and write the transfer function for this.
Explain resonance in series RLC circuit and draw the resonance curve.
What is KVL? Given that E1 15 E2 =10 Vs =20 sin 500 find the current in the following circuit:
<img src='./qimages/13974-2b.jpg'>
A practical voltage source can be converted into an equivalent practical current source. Draw an equivalent circuit diagram for this.
Explain the necessity for power factor correction. What are the different methods for power factor correction
What are the basic components used in electrical installations State briefly the function of each component.
What is the significance of equivalent circuits?
Draw and explain the speed-torque characteristics of a d.c. series motor.
A d.c. machine generates an armature voltage of 220 V on no load at 1000 r.p.m, the field current being 2 A. The armature resistance is 0·5 n. Find its speed when it draws a current of 5 A as motor from 220 V supply. (Neglect armature reaction and brush voltage drop)
A Lissajous pattern obtained on a CRO screen has fy 50 Hz. Number of touching points on a horizontal tangent 5 and the number of touching points on a vertical tangent =3. Find fx.
Explain any four applications of op-amp with relevant circuit diagrams.
Discuss the different types of flip-flops used in digital circuits.
Draw a circuit Oscillator. diagram of Wien Bridge
What are the different components of power loss in a transformer How is the efficiency of a transformer calculated
A 3-phase induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate:
Synchronous speed
Rotor current frequency when the rotor runs at 1200 r.p.m.
Draw the v characteristics of a reverse biased p-n junction.
How Can transistor be used as amplifier and switch?
What is meant by an interrupt in a microprocessor List all interrupts that are available in 8085 microprocessor.
Find the binary equivalent of the following:
(79)10
(265)10
Peak and Average value of sinusoidal current
Effective or r.m.s. value
What is superposition theorem? Give an example using a circuit diagram.
Draw the block diagram of any basic feedback control system and write the transfer function for this.
Explain resonance in series RLC circuit and draw the resonance curve.
What is KVL? Given that E1 15 E2 =10 Vs =20 sin 500 find the current in the following circuit:
<img src='./qimages/13974-2b.jpg'>
A practical voltage source can be converted into an equivalent practical current source. Draw an equivalent circuit diagram for this.
Explain the necessity for power factor correction. What are the different methods for power factor correction
What are the basic components used in electrical installations State briefly the function of each component.
What is the significance of equivalent circuits?
Draw and explain the speed-torque characteristics of a d.c. series motor.
A d.c. machine generates an armature voltage of 220 V on no load at 1000 r.p.m, the field current being 2 A. The armature resistance is 0·5 n. Find its speed when it draws a current of 5 A as motor from 220 V supply. (Neglect armature reaction and brush voltage drop)
A Lissajous pattern obtained on a CRO screen has fy 50 Hz. Number of touching points on a horizontal tangent 5 and the number of touching points on a vertical tangent =3. Find fx.
Explain any four applications of op-amp with relevant circuit diagrams.
Discuss the different types of flip-flops used in digital circuits.
Draw a circuit Oscillator. diagram of Wien Bridge
What are the different components of power loss in a transformer How is the efficiency of a transformer calculated
A 3-phase induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate:
Synchronous speed
Rotor current frequency when the rotor runs at 1200 r.p.m.
Draw the v characteristics of a reverse biased p-n junction.
How Can transistor be used as amplifier and switch?
What is meant by an interrupt in a microprocessor List all interrupts that are available in 8085 microprocessor.
Find the binary equivalent of the following:
(79)10
(265)10
Other Question Papers
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