Which of the Following is NOT a fundamental quantity
Weight
Mass
Length
Amount of Substance
" Bar " is Unit of
Temp
Pressure
Work
Heat
For which materials as the temperature increanes condutiwity decreases
Insulator
Conduetor
Semi-Conductor
None of abve
Chose the including material__________
Mica
Germanium
Copper
Silicon
The resistivity as semiconduetor is between ___________________
None of above
Who are minority change Carriers is N-type semi-conductors
Both of above
Holes
Electrons
The electrical prperties of material depends upon number of elctrons in______________________
Innermost orbit
Outermost Orbit
When Boron (B) is added to Pure Silicon (Si) we Get _________________semiConuctor
N-type
P-type
In his low resistance is given by R = V/I error in Voltage measurement is 4% The error in current measurement is 2% The error in resistance measurement will be____________
8%
2%
6%
4%
273.15 K when conveted into Forhenite will become___________________
100ºF
32ºF
0ºF
373ºF
273.15 K when converted into desree celcius will become________________
0ºC
100ºC
273ºC
32ºC
The error occur due to faulty instrument is___________________
systematic error
Random error
Human error
Instumental error
"Weber" is SI unit of ___________________________
Electric field intensity
Magnetic Strength
Magnetic flux
Magnetic filed intensity
SI unit of magnetic Flux is ___________________________
Weber
Coulomb
Tesla
Gauss
According to coulomb's loa and Force of attraction/repulsion is inversely proportional to________________________
Mutipuication of Charges
Square root of distance between charges
Distance between charges
Square of distances between charges
Cp is always_____________CV
Greater than
Half of
Smaller than
equal to
Which mode of heat transfer takes place without actual migration of particiles
Conduction
Conveection
Radiatiion
Which of the follwoing material is bad wnductor of heat
Aluminium
Glass
Steel
The ratio CP/CV is______________________
Greater than 1
Equal to 1
Equal to 0.5
Less than 1
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass is good conductor of Heat
Glass is bad conductor of heat
Glass has good reflective porperty
Glass is light in weight