# The integral is given by

1.  1/2

2.  2/3

3.  4/3

4.  8/3

4

8/3

Explanation :
No Explanation available for this question

# Three  companies  X,  Y  and  Z  supply  computers  to  a  university.  The  percentage  of computers  supplied  by  them  and  the  probability  of  those  being  defective  are  tabulated below Given that a computer is defective, the probability that it was supplied by Y is

1.  0.1

2.  0.2

3.  0.3

4.  0.4

4

0.4

Explanation :
No Explanation available for this question

# For the matrix  the eigen value corresponding to the eigenvector  is

1.  2

2.  3

3.  6

4.  8

4

6

Explanation :
No Explanation available for this question

# In the two port network shown in the figure below, z12 and z21 are, respectively

1.  re and βr0

2.  0 and - βr0

3.  0 and βr0

4.  re and - βr0

4

0 and - βr0

Explanation :
No Explanation available for this question

# A 2 mH inductor with some initial current can be represented as shown below, where the Laplace Transform variable. The value of initial current is

1.  0.5 A

2.  2.0 A

3.  1.0 A

4.  0.0 A

4

2.0 A

Explanation :
No Explanation available for this question

# In the figure shown, assume that all the capacitors are initially uncharged. If Vi(t) = 10u(t) Volts, then V0(t) is given by

1.   8e-0.004 t Volts

2.  8(1 - e-0.004 t) Volts

3.  8u (t) Volts

4.  8 Volts

4

8(1 - e-0.004 t) Volts

Explanation :
No Explanation available for this question

# A  negative  resistance  Rneg  is  connected  to  a  passive  network  N  having  driving  point impedance Z1 (s) as shown below. For Z2 (s) to be positive real

1.  |Rneg | ≤ Re Z1 (jω),  ω

2.  |Rneg | ≤ | Z1 (jω)|,  ω

3.  |Rneg | ≤ Im Z1 (jω),  ω

4.  |Rneg | ≤   Z1 (jω),  ω

4

|Rneg | ≤ Re Z1 (jω),  ω

Explanation :
No Explanation available for this question

# In the circuit shown below, the switch was connected to position 1 at t < 0 and at t = 0, it is changed to position 2. Assume that y the diode has zero voltage drop and a storage time ts. For 0 < t ≤ ts, VR is given by (all in Volts)

1.  VR = -5

2.  VR = +5

3.  0 ≤ VR < 5

4.   -5 < VR < 0

4

VR = -5

Explanation :
No Explanation available for this question

# The majority  carriers  in  an  n-type  semiconductor  have  an  average  drift  velocity  V  in  a direction perpendicular  to a uniform magnetic  field B. The electric  field E  induced due  to Hall effect acts in the direction

1.  V × B

2.  B × V

3.  along V

4.  opposite to V

4

B × V

Explanation :
No Explanation available for this question

# Find the correct match between Group 1 and Group 2   Group 1   Group2 E Varactor diode 1 Voltage reference F PIN diode 2 High-frequency switch G Zener diode 3 Tuned circuits H schottky diode 4 Current controlled attenuator

1.  E – 4, F – 2, G – 1, H – 3

2.  E – 2, F – 4, G – 1, H – 3

3.  E – 3, F – 4, G – 1, H – 2

4.  E – 1, F – 3, G – 2, H – 4

4