# Avalanche breakdown diode have breakdown voltage

1.  Having positive temperature coefficient

2.  Having negative temperature coefficient

3.  Independent of temperature

4.   None of these

4

Having positive temperature coefficient

Explanation :
No Explanation available for this question

# The iteration formula to find square root of a positive real number b using the Newton-Raphson method is

1.

2.

3.

4.  None of these

4

Explanation :
No Explanation available for this question

# Ripple factor of a power supply is given by(symbols have the usual meaning)

1.  Pd0/Pac

2.  √((Irms/Idc)-1)

3.  √((Idc/Irms)-1)

4.  Idc/Irm

4

Pd0/Pac

Explanation :
No Explanation available for this question

# Avalanche photodiode are preferred over PIN diodes in optical communication systems because of

1.  Speed of operation

2.  Higher sensitivity

3.  Larger band width

4.  Larger power handling capacity

4

Larger power handling capacity

Explanation :
No Explanation available for this question

# What is the frequency of oscillations

1.   CR

2.

3.

4.

4

Explanation :
No Explanation available for this question

# Two p4n silicon junction is reverse biased at Vg=5V.The impurity doping concentration in junction A are Na=1018cm-3 and Nd=1015cm-3 And impurity doping concentration in junction B is  Na=1018cm-3 and Nd=1016cm-3 The ratio of the space charge width is

1.  4.36

2.  9.8

3.  3.13

3

3.13

Explanation :
No Explanation available for this question

# What is the value of R

1.  R’=R

2.  R’=2R

3.  R’=R/2

4.   R’=R/4

4

R’=2R

Explanation :
No Explanation available for this question

# The value ofcomputed using Simpson’s rule with a step size of h=0.25 is

1.  0.69430

2.  0.69385

3.  0.69325

4.  0.69415

4

0.69325

Explanation :
No Explanation available for this question

# Maximum electric field in reverse biased silicon pn junction is |Emax|=3*105V/cm.The doping concentration are Nd=4*1016cm-3 and Na=4*1017cm-3 Magnitude of the reverse bias voltage is

1.  3.6V

2.  9.8V

3.  7.2V

4.  12.3V

4

7.2V

Explanation :
No Explanation available for this question

1.  11mA

2.  35mA

3.  83mA

4.  143mA

4