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What is working principle of SQUID ? Explain how it is used to detect the magnetic field?
Concept: Applications of superconductors- SQUID, MAGLEV
What is the working principle of maglev? Explain how it can acquire high speed?
Concept: Applications of superconductors- SQUID, MAGLEV
Explain Meissner Effect with the help of diagram.
Concept: Meissner Effect
Differentiate between Type-1 & Type- II Superconductors.
Concept: Type II Superconductors
What is reverberation time? Discuss sabine formula.
Concept: Reflection of Sound(Reverberation and Echo)
State any five factors affecting the acoustics of the building and give the remedies for each.
Concept: Reflection of Sound(Reverberation and Echo)
Explain the factors on which reverberation time depends .
Concept: Reflection of Sound(Reverberation and Echo)
A classroom has dimension 10×8×6m3. the reverberation time is 3 sec. calculate the total absorption of surface and average absorption.
Concept: Reflection of Sound(Reverberation and Echo)
A conference room has a total volume of 2000 m3.The magnitude of total
absorption with in the conference room is100 Sabin.Calculate thereverberation time.
Concept: Reflection of Sound(Reverberation and Echo)
Discuss in details any three factors affecting acoustics of a hall with their
remedies.
Concept: Acoustic Design of a hall
State ‘magnetostriction effect’. Mention any two application of ultrasonic waves
Concept: Magnetostriction Oscillator
An ultrasonic pulse of 0.09M Hz sends down towards the sea-bed which returns after 0.55 seconds. The velocity of ultrasonic waves in sea water is 1800 m/sec . calculate the depth of sea and wavelength of ultrasonic pulse.
Concept: Ultrasonic Wave Generation
Explain cavitation effect.
Concept: ultrasonic cleaning(cavitation)
Explain the principle, construction and working of a Magnetostriction Oscillator.
Concept: Magnetostriction Oscillator
Discuss any three applications of Ultrasonic waves
Concept: Ultrasonic Wave Generation
State Norton’s theorem and draw the Norton’s equivalent circuit.
Concept: Norton’S Theorem
Using the mesh analysis find the mesh current in the direction shown and also find the voltage across A and B terminals.
Concept: Mesh Analysis
Find current IX using Superposition theorem
Concept: Superposition Theorem
Determine the value of R for maximum power transfer and find the value of maximum transfer.
Concept: Maximum Power Transfer Theorem
Find the RMS value of the waveform given below:-
Concept: RMS and Average Value
