A Block Of Pure At 300 K Has A Length Of 10 Cm And An Area Of . If A Battery Of Emf 2V Is Connected Across It, What Is The Electron Current? The Mobility Electrons Is 0.14 M2 V–1s–1 and Their Number .

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Question

A block of pure at 300 K has a length of 10 cm and an area of . If a battery of emf 2V is connected across it, what is the electron current? The mobility electrons is 0.14 m2 V–1s–1 and their number .

Solution

Correct option is

Given, 

  

    . 

The electric field in the block is  

           

               

The drift speed electrons is   

          

               . 

     

              

              .

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SIMILAR QUESTIONS

Q1

Which of the following gates will have an output of 1?

                                              
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Q2

The truth table given below is for

  

  A           B

  C

  0            0

  1

  1            0

  1

  0            1

  1

  1            1

  0

 

 
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Q3

Which of the following gates corresponds to the truth table given below?

            

 A        B

 Y

 0         0

 1

 0         1

 0

 1         0

 0

 1         1

 1

 

 
easy View solution
Q4

The combinations A and B of the NAND gates are shown below. Combinations (A) and (B) are equivalent to

                                          
medium View solution
Q5

The truth table below is for

  

  A        B

 Y

  0         0

  1

  0         1

  0

  1         0

  0

  1         1

  1

 

 
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Q6

In the binary number system, the number 11 stands for 
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Q7

In the binary number system, the number 1101 implies
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Q8

In Boolean algebra X = A + B implies that
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Q9

In a NOT gate, if the input signal is 0, the output signal is
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Q10

What is the number density of donor atoms which must be added to a pure germanium semiconductor to produce an n-type semiconductor of conductivity ? The mobility of electrons in n-type germanium is . Neglect the contribution of holes to conductivity.
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