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22102 Unit I online test

You got 2 of 15 possible points.
Your score: 13%
Question 1

In N - Type Semiconductor mayjority carriers are______________--

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Holes 

0

Electrons 

0
Should have chosen
Selected

Both of above 

Incorrect
0

None of above 

0
Question 2

Silicon (Si) and Germanium (Ge) are _______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Pentavalent 

0
Should have chosen

Tetavalent 

0
Selected

Trivalent 

Incorrect
0

Divalent 

0
Question 3

In P-N dioude the border where P region meels  N-region is Called________________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Crossechtion 

0

Depletion 

0
Selected

Junction 

Correct
1
Should have chosen

Barrier

0
Question 4

Which of the following is a semiconductor material 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Copper 

0
Selected

Mica

Incorrect
0

Germanium 

0
Should have chosen

Aluminium 

0
Question 5

Absolute Zero temperature in degree celcius is________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

-273ºC

0
Should have chosen

273ºC

0

100ºC

0
Selected

0ºC

Incorrect
0
Question 6

Which of the follwoing material is bad wnductor of heat 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Steel 

0

Copper 

0
Selected

Glass 

Correct
1
Should have chosen

Aluminium 

0
Question 7

The ratio CP/CV is______________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Greater than 1

0

Equal to 0.5

0
Should have chosen

Less than 1 

0
Selected

Equal to 1

Incorrect
0
Question 8

Cp is always_____________CV

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Half of 

Incorrect
0

Smaller than 

0

equal to 

0

Greater than 

0
Should have chosen
Question 9

Which mode of heat transfer is slowest of all other models 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Convection 

Incorrect
0

Conduction 

0
Should have chosen

Radiation 

0

None of above 

0
Question 10

Conduction is ___________than convection 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Slower 

0
Should have chosen
Selected

Faster 

Incorrect
0

Medium 

0
Question 11

273.15 K when conveted into Forhenite will become___________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

373ºF

Incorrect
0

0ºF

0

32ºF

0
Should have chosen

100ºF

0
Question 12

100ºC will be___________when converted into forhentie 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

273 F 

Incorrect
0

-273 F 

0

373 F 

0

212 F 

0
Should have chosen
Question 13

273.15 K when converted into desree celcius will become________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

32ºC

Incorrect
0

100ºC

0

273ºC

0

0ºC

0
Should have chosen
Question 14

A Cup of tea kept on table losses its heat by______________process 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Conduction 

Incorrect
0

Convection 

0

Radiation 

0

All of above 

0
Should have chosen
Question 15

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

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

273 K

0

212 K

0

373 K

0
Should have chosen
Selected

100 K

Incorrect
0