Dimenstion of Energy__________________
In FPS system length is measured in,
Pounds
Centimeters
Foot
meters
Absolute Zero temperature in degree celcius is________________
0ºC
273ºC
100ºC
-273ºC
Chose the including material__________
Silicon
Copper
Mica
Germanium
The resistivity as semiconductor is________________________
More than insulators
Less than conductors
Between insulator and conductors
All of above
The electrical prperties of material depends upon number of elctrons in______________________
Innermost orbit
Outermost Orbit
Both of above
None of above
In P-type Semi-conductor,Doping increases number of_________________
Holes
Both notes and electrons
Electrons
In N-type semiconductor Doping increases number as _______________
The Length of rectangle is 1.25 cn and width is 3.354cm The area of rectange in significant figures with be____________
4.1925
4.192
4.19
4.1
The boiling Point of water in farfhenite scale is_______________
373ºF
212ºF
273ºF
100ºF
100ºC will be when converted into kelvin will become
273 K
-273 K
212 K
373 K
How many significant figures are there in reading 5000 10
1
8
5
10
According to ohms law current is directly proprtional to______________________
Voltage
Magnetic filed
Resistance
Charge
Like charges________________each other
Attract
Neither attract not repetl
Repel
The space surround a point charges where the effect of attraction/repuision is experienced is called________________________
Electric field
Magntic field
Charge field
Attraction field
Which mode of heat transfer takes place without actual migration of particiles
Conduction
Conveection
Radiatiion
Conduction is ___________than convection
Slower
Medium
Faster
Which of the follwoing material is bad wnductor of heat
Aluminium
Glass
Steel
Which mode of heat transfer is fastest as all other modes
Convection
Radilation
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass is good conductor of Heat
Glass is bad conductor of heat
Glass is light in weight
Glass has good reflective porperty