# A transistor acts like a On switch in its

1.  Active region

2.  Saturation region

3.  Cut off region

4.  Active & saturation region

4

Saturation region

Explanation :
No Explanation available for this question

# Thevenin’s equivalent circuit of the network shown in the given figure between the terminals T1 and T2 as voltage and resistance respectively

1.  40V and 24

2.  40V and 16

3.  15V and 16

4.  20V and 24

5.  283

6.  318

7.  308

8.  279

8

308

Explanation :
No Explanation available for this question

# In unbiased p-n junction , thickness of depletion region is in the range of

1.  10-2m

2.  100

3.  0.5

4.  5nm

4

0.5

Explanation :
No Explanation available for this question

# The Thevenin equivalent of the network shown in figure, I is 10V in series with a resistance of 2. If now, resistance of 3is connected across AB as shown in figure II, the Thevenin in equivalent of the modified network across AB will be

1.  0V in series and 1.2resistance

2.  6V in series and 1.2resistance

3.  10V in series and 3resistance

4.  None of these

4

6V in series and 1.2resistance

Explanation :
No Explanation available for this question

# The Gummel poon model is applicable to

1.  BJT

2.  MOSFET

3.  UJT

4.  JFET

5.  123

6.  127

7.  235

8.  305

8

127

Explanation :
No Explanation available for this question

# Consider the circuit shown in figure. For maximum power transfer to load, the primary to secondary turns ratio must be

1.  9:1

2.  3:1

3.  1:3

4.  1:9

4

3:1

Explanation :
No Explanation available for this question

# Thermal runway in junction transistor will take place if the quiescent point is such that

1.  VCE>1/2VCc

2.  VCE≤1/2VCc

3.  VCE≥1/2VCc

4.  VCE

4

VCE>1/2VCc

Explanation :
No Explanation available for this question

# In the network shown in figure, the Thevenin source and impedance across terminal A-B will be

1.  15V and 13.33

2.  50V and 15

3.  115V and 20

4.  100V and 25

5.  4

6.  5

7.  6

8.  8

8

4

Explanation :
No Explanation available for this question

# Which one of the following impedances values of load will cause maximum power to be transferred to load

1.  2+j2

2.  2-j2

3.  –j2

4.  2

4

2

Explanation :
No Explanation available for this question

# Tunnel diode use

1.  Intrinsic semiconductor

2.  Normal doped semiconductor

3.  degenerate semiconductor

4.  direct & indirect semiconductors in combination

5.  1008

6.  1015

7.  1022

8.  1032

8