Which of the following is NOT an insulator
Rubber
Copper
Wood
Mica
In______________,there is very big gap between conduction band and valancy band
Conductors
Insulators
Semiwnduetors
None of above
The resistivity as semiconductor is________________________
More than insulators
Less than conductors
Between insulator and conductors
All of above
For Conductors as the teperators increases conductivity____________________
Increases
Decreases
Does not change
Which of the following is trivalent impurity ____________
Germanium (Ge)
Antimony (Sb)
Boron (B)
Arsenis (As)
Conduction is ___________than convection
Faster
Medium
Slower
Which mode of heat transfer takes place without actual migration of particiles
Conduction
Conveection
Radiatiion
Which mode of heat transfer can take place even without a medium
Condultion
Convection
Raliation
None of abve
Which of the follwoing material is bad wnductor of heat
Steel
Aluminium
Glass
Cp is always_____________CV
Smaller than
equal to
Greater than
Half of
273.15 K when conveted into Forhenite will become___________________
32ºF
0ºF
100ºF
373ºF
100ºC will be when converted into kelvin will become
-273 K
273 K
373 K
212 K
273.15 K when converted into desree celcius will become________________
32ºC
0ºC
100ºC
273ºC
The Boiling point of water in Kelvin scale of temperature is _______________
100 K
100ºC will be___________when converted into forhentie
-273 F
273 F
373 F
212 F