# The breakdown voltage of a transistor with its base open is BVCEO and that with emitter open is BVCEO, then

1.  BVCEO < BVCBO

2.  BVCEO = BVCBO

3.  BVCEO > BVCBO

4.  Both voltages are unrelated

4

BVCEO < BVCBO

Explanation :
No Explanation available for this question

# When a number of 2 port networks are connected in cascade, the individual

3.  chain matrices are multiplied

4.  H-matrices are multiplied

4

chain matrices are multiplied

Explanation :
No Explanation available for this question

# Which of following is a phase-lead compensation network

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# The output of the OPAMP shown below will be assuming it to be ideal

1.  zero

2.  – (V1 – V2) sin ω t

3.  + (V1 + V2) sin ω t

4.  – (V1 + V2) sin ω t

4

– (V1 + V2) sin ω t

Explanation :
No Explanation available for this question

# Consider the voltage waveform shown in the figure. The equation for V(t) is

1.  u (t-1) + u (t-2) + u (t-3)

2.  u (t-1) + 2u (t-2) + 3u (t-3)

3.  u (t)+u (t-1) + u (t-2) + u (t-4)

4.  u (t-1) + u (t-2) + u (t-3) – 3u (t-4)

4

u (t-1) + u (t-2) + u (t-3) – 3u (t-4)

Explanation :
No Explanation available for this question

# A first order linear system is initially relaxed for a unit step signal u (t). the response is V1(t) = (1- e-3t) for t >0. If a signal 3 u(t) + δ(t) is applied to the same initially relaxed system, the response will be

1.  (3- 6 e-3t) u (t)

2.  (3- 3 e-3t) u (t)

3.  3 u (t)

4.  (3+ 3 e-3t) u (t)

4

3 u (t)

Explanation :
No Explanation available for this question

# An amplifier with resistive negative feedback has two left planes poles in its open-loop transfer function. The amplifier

1.  will always be unstable at high frequencies

2.  will be stable for all frequencies

3.  may be unstable, depending upon the feedback factor

4.  will oscillate at low frequencies

4

will be stable for all frequencies

Explanation :
No Explanation available for this question

# Nyquist plot shown in the figure is of type

1.  zero system

2.  one system

3.  two system

4.  three system

4

one system

Explanation :
No Explanation available for this question

# In the delta equivalent of the given star connected circuit, OR is equal to

1.  40Ω

2.  (20 + j 10)Ω

3.  (5 + j 10/3)Ω

4.  (10 + j30)Ω

4

(10 + j30)Ω

Explanation :
No Explanation available for this question

1.  0.8

2.  0.6

3.  0.5

4.   zero

4