Dimension of Density
Dimension of Force
Which of the following is NOT an insulator
Rubber
Mica
Copper
Wood
SI Unit of temp is__________________
F [ Farhenite ]
ºC [ Celcius ]
K [ Kelvin ]
J [ Joule }
Absolute Zero temperature in degree celcius is________________
100ºC
0ºC
-273ºC
273ºC
When Aluminium (Al) is added to Pure Germanium (Ge) we get___________Semiconductor
N-type
None of above
P-type
Who are minority change Carriers is N-type semi-conductors
Both of above
Holes
Electrons
When Boron (B) is added to Pure Silicon (Si) we Get _________________semiConuctor
Additian & measurement 12.241 cm, 4.51 cm & 4.0 cm in significant figure is_____________________
20.7
20.75
20.750
20.751
32 F when converted into celcius will become_____________
373ºC
100ºC will be when converted into kelvin will become
273 K
-273 K
373 K
212 K
How many significant figures this reading has 0.0069
4
3
2
5
According to coulomb's loa and Force of attraction/repulsion is inversely proportional to________________________
Square of distances between charges
Square root of distance between charges
Mutipuication of Charges
Distance between charges
"Weber" is SI unit of ___________________________
Electric field intensity
Magnetic filed intensity
Magnetic flux
Magnetic Strength
SI unit of electric field Intensity is_____________________
N/C
C/N
N/m
Which mode of heat transfer is fastest as all other modes
Conduction
Convection
Radilation
Cp is always_____________CV
Half of
equal to
Smaller than
Greater than
Conduction is ___________than convection
Slower
Faster
Medium
Which of the follwoing material is bad wnductor of heat
Glass
Aluminium
Steel
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 good conductor of Heat
Glass is light in weight
Glass is bad conductor of heat