You are here

22102 Mock test

You got 8 of 21 possible points.
Your score: 38%
Question 1

Once Ampere current is given 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

1A = 1s * 1C

Incorrect
0

1A = 1S / 1C

0

1A = 1C / 1S

0
Should have chosen

1A = 1C / 1 0hm

0
Question 2

What is SI Unit of Amount of Substance?

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Gram 

0

Kg

0

Mol

Correct
1
Should have chosen

Newton 

0
Question 3

In condutors the valancy band and Conduetion band__________________

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Have small gap 

0

have huge gap 

0

overlap each other

Correct
1
Should have chosen

None of above 

0
Question 4

Silicon (Si) and Germanium (Ge) are _______________

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Divalent 

0

Pentavalent 

0
Should have chosen

Trivalent 

Incorrect
0

Tetavalent 

0
Question 5

The resistivity as semiconduetor is between ___________________

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

10^{-2} to 10^{-8}

0

10^{-5} to 10^{6}

0
Should have chosen

10^{11} to 10^{19}

0

None of above 

Incorrect
0
Question 6

The electrical prperties of material depends upon number of elctrons in______________________

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Innermost orbit 

0

Outermost Orbit 

Correct
1
Should have chosen

Both of above 

0

None of above 

0
Question 7

In Insulators energy gap between conduction band and energy band is________________________

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Nearly 1 ev

0

Between 1ev and 5ev

Incorrect
0

Above 5 ev

0
Should have chosen

None of above 

0
Question 8

For semiconductor matereial as the temperature increases its conductivity____________________

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Decreases 

0

Remains  Constant 

Incorrect
0

Increases 

0
Should have chosen
Question 9

If length of a component is 20.15 \pm0.02, If two such component are joined together what will be total length 

Score: 0 of 2
ChoiceCorrect?ScoreCorrect answer

40.30 \pm0.04

0
Should have chosen

40.30\pm0.02

0

40.30 \pm0.01

Incorrect
0

40.30 \pm0.08

0
Question 10

32 F when converted into celcius will become_____________

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

273ºC

0

373ºC

0

0ºC

Correct
1
Should have chosen

100ºC

0
Question 11

100ºC will be___________when converted into forhentie 

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

273 F 

0

-273 F 

0

212 F 

Correct
1
Should have chosen

373 F 

0
Question 12

The error occur due to faulty instrument is___________________

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Instumental error

Correct
1
Should have chosen

Human error 

0

systematic error

0

Random error 

0
Question 13

SI unit of Resistivity is ____________________________

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Ohm - meter ( \Omega - m)

0
Should have chosen

Ohm - meter^{2}\Omega / m^{2} )

0

Ohm ( \Omega )

Incorrect
0

Ohm / meter ( \Omega / m)

0
Question 14

Electrons in atom are_______________changed 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Positive 

Incorrect
0

Negative 

0
Should have chosen

Neutal 

0

None of above 

0
Question 15

The change is produced due to excess or deficiency of an__________________

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Electron

0
Should have chosen

Proton 

Incorrect
0

Orbit

0

Newtrom 

0
Question 16

Which mode of heat transfer takes place without actual migration of particiles 

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Conduction 

Correct
1
Should have chosen

Conveection 

0

Radiatiion 

0

None of above

0
Question 17

Conduction is ___________than convection 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Faster 

Incorrect
0

Slower 

0
Should have chosen

Medium 

0
Question 18

Which mode of heat transfer can take place even without a medium 

Score: 1 of 1
ChoiceCorrect?ScoreCorrect answer

Condultion

0

Convection 

0

Raliation 

Correct
1
Should have chosen

None of abve 

0
Question 19

Which of the follwoing material is bad wnductor of heat 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Glass 

0
Should have chosen

Aluminium 

Incorrect
0

Copper 

0

Steel 

0
Question 20

There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because 

Score: 0 of 1
ChoiceCorrect?ScoreCorrect answer

Glass has good reflective porperty 

0

Glass is light in weight 

0

Glass is good conductor of Heat 

Incorrect
0

Glass is bad conductor of heat 

0
Should have chosen