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22102 Unit I online test

You got 4 of 15 possible points.
Your score: 27%
Question 1

Silicon (Si) and Germanium (Ge) are _______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Tetavalent 

0
Selected

Trivalent 

Incorrect
0

Divalent 

0

Pentavalent 

0
Should have chosen
Question 2

In P-Type semiconductor mayorty cariers are _________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Holes 

0
Should have chosen
Selected

Electrons 

Incorrect
0

Both of above 

0

None of above 

0
Question 3

In______________,there is very big gap between conduction band and valancy band 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Conductors 

0

Insulators 

0
Should have chosen

Semiwnduetors 

0
Selected

None of above 

Incorrect
0
Question 4

The resistivity as metals is between________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

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

0
Should have chosen

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

0
Selected

10^{11} to 10^{19}

Incorrect
0

None of above 

0
Question 5

Which of the following is highest energy band 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Valancy band

0
Should have chosen
Selected

Energy band 

Incorrect
0

Conduction band 

0

None of above 

0
Question 6

Conduction is ___________than convection 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Slower 

0
Should have chosen
Selected

Medium 

Incorrect
0

Faster 

0
Question 7

Which of the follwoing material is bad wnductor of heat 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Copper 

0
Selected

Glass 

Correct
1
Should have chosen

Aluminium 

0

Steel 

0
Question 8

The ratio CP/CV is______________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Equal to 0.5

0
Should have chosen

Less than 1 

0
Selected

Greater than 1

Incorrect
0

Equal to 1

0
Question 9

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

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Conduction 

Correct
1
Should have chosen

Conveection 

0

Radiatiion 

0

None of above

0
Question 10

Cp is always_____________CV

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Greater than 

0
Should have chosen

Smaller than 

0
Selected

Half of 

Incorrect
0

equal to 

0
Question 11

The boiling Point of water in farfhenite scale is_______________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

273ºF

0

212ºF

0
Selected

373ºF

Correct
1
Should have chosen

100ºF

0
Question 12

100ºC will be when converted into kelvin will become 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

212 K

0
Selected

273 K

Incorrect
0

-273 K

0

373 K

0
Should have chosen
Question 13

The Boiling point of water in Kelvin scale of temperature is _______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

100 K

0

373 K

0
Should have chosen
Selected

273 K

Incorrect
0

212 K

0
Question 14

273.15 K when converted into desree celcius will become________________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

100ºC

0

32ºC

0
Selected

0ºC

Correct
1
Should have chosen

273ºC

0
Question 15

32 F when converted into celcius will become_____________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

100ºC

0

0ºC

0
Should have chosen
Selected

273ºC

Incorrect
0

373ºC

0