Which of the following is trivalent impurity ____________
Arsenis (As)
Antimony (Sb)
Germanium (Ge)
Boron (B)
Which of the following is a semiconductor material
Aluminium
Mica
Germanium
Copper
In P-N dioude the border where P region meels N-region is Called________________
Barrier
Crossechtion
Depletion
Junction
Which of the following is NOT a conductor
Iron
In Semiconduelotrs the valancy band and Condution band____________________
Have small gap
Have huge gap
overlap each other
None of above
Which mode of heat transfer is fastest as all other modes
Conduction
Convection
Radilation
Cp is always_____________CV
Greater than
equal to
Half of
Smaller than
Which mode of heat transfer takes place without actual migration of particiles
Conveection
Radiatiion
The ratio CP/CV is______________________
Less than 1
Greater than 1
Equal to 1
Equal to 0.5
Which mode of heat transfer is slowest of all other models
Radiation
273.15 K when conveted into Forhenite will become___________________
373ºF
100ºF
32ºF
0ºF
32 F when converted into celcius will become_____________
273ºC
100ºC
0ºC
373ºC
273.15 K when converted into desree celcius will become________________
32ºC
100ºC will be___________when converted into forhentie
373 F
-273 F
212 F
273 F
The boiling Point of water in farfhenite scale is_______________
273ºF
212ºF