What is SI unit of Angle
Theta
degree
Radian
Candela
Which is SI unit of Luminous Intensity?
decibel
Lux
Candella
Bright
The resistivity as metals is between________________
None of above
In___________ the valancy band and coduction band overlap each other
Conductors
Insulators
Semiconductors
The resisitivity as insulator is between____________________-
In P-type Semi-conductor,Doping increases number of_________________
Holes
Electrons
Both notes and electrons
When Boron (B) is added to Pure Silicon (Si) we Get _________________semiConuctor
N-type
P-type
The electrical prperties of material depends upon number of elctrons in______________________
Innermost orbit
Outermost Orbit
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____________
4%
6%
8%
2%
273.15 K when converted into desree celcius will become________________
0ºC
100ºC
32ºC
273ºC
273.15 K when conveted into Forhenite will become___________________
32ºF
0ºF
373ºF
100ºF
How many significant Figures this reading has 2.5400
5
3
4
6
1Volt is given by __________________________-
1C/1J
1A/1C
1A/1J
1J/1C
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
Distance between charges
Mutipuication of Charges
According to coulombs law Force of attraction is directly propartional to____________________________
Cp is always_____________CV
equal to
Half of
Greater than
Smaller than
Which of the follwoing material is bad wnductor of heat
Steel
Aluminium
Glass
Copper
Which mode of heat transfer can take place even without a medium
Condultion
Convection
Raliation
None of abve
Conduction is ___________than convection
Slower
Medium
Faster
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 light in weight
Glass is good conductor of Heat
Glass is bad conductor of heat