# A vacuum diode with internal resistance 200Ω is connected to a 1Ω load and 300 volts source of supply .The PIV of the diode is 400V From the previous data, find the d,C load current of the above current

1.  100mA

2.  55.6mA

3.  163mA

4.  Data insufficient

5.  10

6.  42

7.  44

8.  5

9.  None of these

9

10

Explanation :
No Explanation available for this question

# A npn transistor with α=0.98 is operated as an amplifier in a CB circuit with a Load resistance of 5kΩ.If the dynamic resistance 70Ω The voltage gain of current is

1.  50

2.  35

3.  70

4.  None of these

5.  49,1

6.  12,60

7.  50,2

8.  36,84

9.  None of these

9

12,60

Explanation :
No Explanation available for this question

# A npn transistor with α=0.98 is operated as an amplifier in a CB circuit with a Load resistance of 5kΩ.If the dynamic resistance 70Ω. From the previous data, calculate the power gain of thr same current

1.  49

2.  68.6

3.  34.3

4.  70

4

68.6

Explanation :
No Explanation available for this question

# For a circuit shown below , the maximum value of RL,that with turn the Zener ON is

1.  500Ω

2.  1kΩ

3.  250Ω

4.  None of these

4

250Ω

Explanation :
No Explanation available for this question

# From the above data, the maximum value RL is

1.  1kΩ

2.  1.25kΩ

3.  5kΩ

4.  data insufficient

4

1.25kΩ

Explanation :
No Explanation available for this question

# Order of concentration of acceptor atoms created by isolation diffusion in monolithic IC for regions between the isolation islands is

1.  1020cm-3

2.  1025cm-3

3.  1015cm-3

4.  1010cm-3

4

1020cm-3

Explanation :
No Explanation available for this question

# Material used for the fabrication of gate in modern MOSFET is

1.  Highly pure SI

2.  Highly pure SIO2

3.  Epitaxial Si

4.  Highly doped poly silicon

4

Highly doped poly silicon

Explanation :
No Explanation available for this question

# Epitaxial growth in IC chip

1.  Growth from liquid phase

2.  Can be p type only

3.  Growth from Gas phase

4.  Can be n type only

4

Growth from Gas phase

Explanation :
No Explanation available for this question

# Order of temperature for epitaxial growth

1.  8000C

2.  20000C

3.  5000C

4.  12000C

5.  It is always even

6.  Divisible by 3

7.  Always divisible by the sum of the square of first n natural numbers

8.  Never divisible by 237

8

Never divisible by 237

Explanation :
No Explanation available for this question

1.  1 only

2.  2& 4 only

3.  1,3,4

4.  1 and 4

4