What is SI Unit of Temperature?
Joule (J)
Celcius (°C)
Farhenite (F)
Kelvin (K)
Which Of the following is Fundamental quantity
Electric Current
Electric Voltage
Electric Charge
Electric resistence
In boyles law which of the followingt is constant
Pressure
Temperature
Volume
All of above
In______________,there is very big gap between conduction band and valancy band
Conductors
Insulators
Semiwnduetors
None of above
In Semiconduelotrs the valancy band and Condution band____________________
Have small gap
Have huge gap
overlap each other
In Insulators energy gap between conduction band and energy band is________________________
Nearly 1 ev
Between 1ev and 5ev
Above 5 ev
In P-type Semi-conductor,Doping increases number of_________________
Holes
Both notes and electrons
Electrons
Who are minority change Carriers is P-type semi-conductors
Both of above
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%
The Process by which heat reaches from surp to earth is
Radiation
Convection
Conduction
100ºC will be when converted into kelvin will become
273 K
212 K
-273 K
373 K
How many significant figures this reading has 0.0069
3
4
5
2
Change is a ____________ Quantity
Fundamental
Derived
Fundamental and deviede
1Volt is given by __________________________-
1C/1J
1A/1C
1J/1C
1A/1J
Protons in atom are ______________________charged
Positive
Negative
Neutral
Cp is always_____________CV
equal to
Greater than
Half of
Smaller than
Which mode of heat transfer is slowest of all other models
Which mode of heat transfer takes place without actual migration of particiles
Conveection
Radiatiion
Conduction is ___________than convection
Faster
Slower
Medium
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass is light in weight
Glass is bad conductor of heat
Glass has good reflective porperty
Glass is good conductor of Heat