Dimension of Acceleration_______________
Which of the following is derived Unit ?
K ( Kelvin )
Kg ( Kilogram )
N ( Newton)
Cd ( Candella)
In______________,there is very big gap between conduction band and valancy band
Conductors
Insulators
Semiwnduetors
None of above
A Pure semiconductor is Called ___________semiconductors
Trivalent
Pentavalent
Intrinsic
Extrinsic
Indium (In) Boron (B) and Aluminium (Al) are examples of
Tetravalent
Divalent
Who are minority change Carriers is P-type semi-conductors
Holes
Both of above
Electrons
In P-type Semi-conductor,Doping increases number of_________________
Both notes and electrons
Who are minority change Carriers is N-type semi-conductors
The measuremant of side of a cube has error of 2% The error in volume measurement with be__________________
6%
8%
0.5%
4%
273.15 K when conveted into Forhenite will become___________________
32ºF
100ºF
373ºF
0ºF
The boiling Point of water in farfhenite scale is_______________
273ºF
212ºF
A Good Unit should be,
Universoly accepted
Well defined
Invasiable from place to place
All of the above
SI unit of Resistivity is ____________________________
Ohm - meter ( - m)
Ohm / meter ( / m)
Ohm - ( / )
Ohm ( )
Potential of Earth is Considered as____________________________
In finity
Zero
100 Millions
According to coulomb's loa and Force of attraction/repulsion is inversely proportional to________________________
Distance between charges
Mutipuication of Charges
Square root of distance between charges
Square of distances between charges
Conduction is ___________than convection
Slower
Faster
Medium
Which mode of heat transfer is slowest of all other models
Convection
Conduction
Radiation
Cp is always_____________CV
Half of
equal to
Greater than
Smaller than
Which mode of heat transfer can take place even without a medium
Condultion
Raliation
None of abve
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 good conductor of Heat
Glass is bad conductor of heat