# A 24 V,600 MW Zener diode is to be used in for providing a 24 V stabilized supply to a variable load. Assuming for a proper Zener action, a minimum of 10 mA must flow through the zener. If the input voltage is 32v, what would be the value of R and maximum load current

1.  320 , 10 mA

2.  400 ?, 15 mA

3.  400 ?, 10 mA

4.  320 ?, 15 mA

4

320 ?, 15 mA

Explanation :
No Explanation available for this question

# In the network shown in the given figure, if the voltage V at the time considered is 20 V, then Dv/dt at that time will be

1.  1 V/s

2.  2 V/s

3.  -2 V/s

4.  zero

4

2 V/s

Explanation :
No Explanation available for this question

# In case of the circuit shown below, Vio 10 mV dc maximum, the maximum possible output offset voltage Voo caused by the input voltage Vio with respect to ground is

1.  60 m V dc

2.  110 m V dc

3.  130 m V dc

4.  150 m V dc

4

110 m V dc

Explanation :
No Explanation available for this question

# T the impulse response of an R-L circuit is a

1.  rising exponential function

2.  decaying exponential function

3.  step function

4.  parabolic function

4

decaying exponential function

Explanation :
No Explanation available for this question

# An open loop transfer function, is given by, It has

1.  1/√2

2.  1

3.  0

4.  ∞

4

0

Explanation :
No Explanation available for this question

# A pulse of unit amplitude and with ‘a’ is applied to a series RL circuit as shown in the figure. The current

1.  zero

2.  1 A

3.  A value between zero and one depending upon the width of the pulse

4.  infinite

4

zero

Explanation :
No Explanation available for this question

# A class-A transformer coupled, transistor power amplifier is required to deliver a power output of 10 watts. The maximum power rating of the transistor should not be less than

1.  5 W

2.  10 W

3.  20 W

4.  40 W

4

20 W

Explanation :
No Explanation available for this question

# The sinusoidal steady-state voltage gain of the network shown in the given figure will have magnitude equal to 0.707 at an angular frequency of

1.  zero

4

Explanation :
No Explanation available for this question

# The characteristic equation of a closed-loop system is given by s4+6s3+11s2+6s+k = 0. Stable closed-loop behavior can be ensured when gain K is such that

1.   0

2.   K>10

3.  -∞ K >∞

4.   0

4

0<k<10

Explanation :
No Explanation available for this question

# The threshold voltage of an n-channel MOSFET can be increased by

1.  increasing the channel doping concentration

2.  reducing the channel length

3.  reducing gate oxide thickness

4.  decreasing the channel doping concentration

4