For which materials as the temperature increanes condutiwity decreases
Insulator
Conduetor
Semi-Conductor
None of abve
The resistivity as metals is between________________
None of above
For Conductors as the teperators increases conductivity____________________
Increases
Decreases
Does not change
The resistivity as semiconduetor is between ___________________
Which of the following is a semiconductor material
Aluminium
Mica
Germanium
Copper
Which mode of heat transfer takes place without actual migration of particiles
Conduction
Conveection
Radiatiion
Cp is always_____________CV
Greater than
Half of
equal to
Smaller than
Which mode of heat transfer is fastest as all other modes
Convection
Radilation
Conduction is ___________than convection
Faster
Medium
Slower
Which of the follwoing material is bad wnductor of heat
Glass
Steel
100ºC will be___________when converted into forhentie
-273 F
273 F
212 F
373 F
32 F when converted into celcius will become_____________
100ºC
273ºC
373ºC
0ºC
273.15 K when conveted into Forhenite will become___________________
373ºF
0ºF
100ºF
32ºF
The boiling Point of water in farfhenite scale is_______________
273ºF
212ºF
The Boiling point of water in Kelvin scale of temperature is _______________
273 K
100 K
373 K
212 K