Gujarat Technological University 2009 Diploma in Hospital Management Electronic Materials & Components - Question Paper

Q.1 (a) discuss concept of Resistivity and Factors affecting on Resistivity with
reference to conducting material
07
(b) ans the subsequent ques.
(1) Thermal Conductivity
(2) discuss properties and applications of aluminium & brass
07
Q.2
(a) discuss properties and applications of hard magnetic material 07
(b) discuss Hysterisys loss and eddy current loss in detail 07
OR
(b) discuss paramagnetic material, ferrimagnetic material and ferromagnetic
material with an example.
07
Q.3
(a) discuss subsequent electrical properties and factors affecting on it with
reference to insulating material
(1) Insulation resistance (2) Dielectric strength
07
(b) discuss the properties and applications of glass , paper and mica 07
OR
Q.3 (a) discuss subsequent electrical properties and factors affecting on it with
reference to insulating material
(1) Dielectric loss (2) Relative permittivity
07
(b) ans the subsequent ques.
(1) Differentiate Thermosetting and thermoplastic material
(2) State properties and applications of Poly Tetra Flouro Ethylen (PTFE)
07
Q.4
(a) discuss formation of ' P ' and ' N ' kind semiconductors 07
(b) ans the subsequent ques.
(1) describe (1) Doping (2) Depletion region (3) Majority charge carrier
(2) List out different kinds of capacitors
07
OR
Q. four (a) Write note on applications of semiconductor materials 07
(b) ans the subsequent ques.
(1) discuss effect of temperature on semiconductor
(2) discuss junction diode
07
Q.5
(a) Classify the resistors based on material, variability, precision, power rating,
mounting
07
(b) discuss construction and working of paper capacitor and variable capacitor 07
OR
Q.5 (a) Write the steps for fabrication of Printed Circuit Board with an example 07
(b) ans the subsequent
(1) describe relay and List out different kinds of relays
(2) discuss the principle of Piezo electric crystal

Earning:   Approval pending.