Dimension of Power_______________
" Bar " is Unit of
Temp
Heat
Work
Pressure
Which of the following wloues reflects more heat
Blue
Black
Red
White
The resistivity as semiconduetor is between ___________________
None of above
In______________,there is very big gap between conduction band and valancy band
Conductors
Insulators
Semiwnduetors
When Antimony (As) is added to Pure silicon (Si) we get__________SemiCondutor
N-type
P-type
Who are minority change Carriers is N-type semi-conductors
Both of above
Electrons
Holes
A trivalent impurity is called as _______________impurity
Doner
Exteinsic
Inteinsic
Acceptor
The Measurement of radius as a circle has error of 1% The error in measuremnet as its area (A) will be______________
3.14%
0.5%
1%
2%
The boiling Point of water in farfhenite scale is_______________
212ºF
273ºF
373ºF
100ºF
273.15 K when conveted into Forhenite will become___________________
32ºF
0ºF
How many significant figures this rading has 0.784 cm
1 Significant Figures
4 Significant Figures
2 Significant Figures
3 Significant Figures
"Weber" is SI unit of ___________________________
Magnetic flux
Magnetic filed intensity
Magnetic Strength
Electric field intensity
SI unit of magnetic field intensity is______________________
Maxwell
Candela
Tesla
Weber
When resistences are connected in parallel ____________ is same
Current
Voltage
Charge
Cp is always_____________CV
equal to
Smaller than
Half of
Greater than
The ratio CP/CV is______________________
Less than 1
Greater than 1
Equal to 0.5
Equal to 1
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
Steel
Glass
Aluminium
Copper
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass is light in weight
Glass has good reflective porperty
Glass is bad conductor of heat
Glass is good conductor of Heat