Select the correct option of Fundamental quantites with SI units
a-iii , b-i , C-iv , d-ii
a-ii , b-iv , c-i , d-iii
a-ii , b-i , c-iv , d-iii
a-iv , b-iii , C-ii , d-i
What is SI Unit of Temperature?
Kelvin (K)
Farhenite (F)
Joule (J)
Celcius (°C)
Chose the including material__________
Germanium
Silicon
Mica
Copper
In Charles law which of the following is constant
Pressure
Temperature
Volume
All of above
In condutors the valancy band and Conduetion band__________________
Have small gap
have huge gap
overlap each other
None of above
When Antimony (As) is added to Pure silicon (Si) we get__________SemiCondutor
N-type
P-type
In P-type Semi-conductor,Doping increases number of_________________
Both notes and electrons
Electrons
Holes
For semiconductor matereial as the temperature increases its conductivity____________________
Decreases
Remains Constant
Increases
If length of a component is 20.15 0.02, If two such component are joined together what will be total length
40.300.02
40.30 0.04
40.30 0.08
40.30 0.01
273.15 K when converted into desree celcius will become________________
32ºC
0ºC
100ºC
273ºC
273.15 K when conveted into Forhenite will become___________________
0ºF
100ºF
32ºF
373ºF
The error due to change in surrounding temp will be called
Instrumental error
Random error
Systematic error
SI unit of magnetic Flux is ___________________________
Gauss
Weber
Coulomb
Tesla
SI unit of Resistivity is ____________________________
Ohm - meter ( - m)
Ohm / meter ( / m)
Ohm - ( / )
Ohm ( )
"Weber" is SI unit of ___________________________
Magnetic Strength
Magnetic filed intensity
Magnetic flux
Electric field intensity
Which mode of heat transfer is slowest of all other models
Convection
Conduction
Radiation
Which mode of heat transfer takes place without actual migration of particiles
Conveection
Radiatiion
The ratio CP/CV is______________________
Equal to 1
Less than 1
Equal to 0.5
Greater than 1
Cp is always_____________CV
equal to
Smaller than
Half of
Greater than
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass has good reflective porperty
Glass is bad conductor of heat
Glass is light in weight
Glass is good conductor of Heat