# A multistage amplifier has a low-pass response with three real poles at s = -ω1, -ω2 and s = -ω3. The approximately overall bandwidth B of the amplifier is given by,

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# A current shown in the figure passes through a pure inductance at 3 Mh. The instantaneous power in watts during 0

1.  25000 t

2.  5000 t

3.  75000 t

4.  1,00,000 t

4

75000 t

Explanation :
No Explanation available for this question

1.   no breakaway point

2.  three real breakaway point

3.  only one breakaway point

4.  one real and two complex breakaway point

4

three real breakaway point

Explanation :
No Explanation available for this question

# The Y2i parameter of the network shown in the figure will be

1.  1/6 Ω

2.  -1/6 Ω

3.  1/3 Ω

4.  -1/2 Ω

4

-1/2 Ω

Explanation :
No Explanation available for this question

# The flux through the rectangular contour ABCDA due to the current I shown in the figure is proportional to (a or b  0 in each case)

1.  a/6

2.  (a-b)/b

3.

4.  In (a/b)

4

a/6

Explanation :
No Explanation available for this question

# The open transfer function of a system is The phase crossover frequency ωc  is

1.   √2

2.  1

3.  zero

4.  √3

4

1

Explanation :
No Explanation available for this question

1.   one zero at infinity

2.  two zeros at infinity

3.  three zeros  at infinity

4.   four zeros at infinity

4

three zeros  at infinity

Explanation :
No Explanation available for this question

# In the MOSFET shown below, the signals outputs V1 and V2 obey the relationship

1.  V1 = V2/2

2.  V1 = - V2/2

3.  V1 = 2V2

4.  V1 = - 2V2

4

V1 = V2/2

Explanation :
No Explanation available for this question

# a uniform magnetic flux destiny B =  sint wb/m2 is directed normal to the triangular surface PQR as shown in the figure. Given that OP= OQ= OR=  meter, the emf around the closed contour formed by the sides PQ, QR, RO will be

1.  -3 cosω t V

2.  -15 cos ωt V

3.  15 sin ωt V

4.  √3cos ωt V

4

-15 cos ωt V

Explanation :
No Explanation available for this question

1.  9

2.  11

3.  10

4.  21

4