# What is impedance from AB terminal side

1.  11/5

2.  13/5

3.  10/5

4.  20/5

4

11/5

Explanation :
No Explanation available for this question

# If reading of voltmeter is 30V, what is reading of ammeter

1.  20A

2.  14A

3.  10A

4.  None

4

14A

Explanation :
No Explanation available for this question

# Two circuits are identical w.r.t. AB terminal then which of the following is true

1.  V=15V, R=20

2.  V=20V, R=20

3.  V=5V, R=20

4.  V=20V, R=10

4

V=15V, R=20

Explanation :
No Explanation available for this question

# When Va=0, Vb=15V then i=X. If Va are increased by 15V then i=

1.  X

2.  X/2

3.  X/3

4.  3X

4

X

Explanation :
No Explanation available for this question

# An n channel JFET has IDSS=2mA & Vp=-4V & VGS=-2V. Find Transconductance.

1.  0.25ohm

2.  0.5ohm

3.  0.75ohm

4.  1mohm

5.  9km

6.  190.75 km

7.  72.5km

8.  885.5 km

8

885.5 km

Explanation :
No Explanation available for this question

# The network shown above goes to fill ∞. If voltage at node a is 6V then what should be the value of V Assume R=√5

1.  13.5V

2.  15.8V

3.  9.57V

4.  None of these

4

15.8V

Explanation :
No Explanation available for this question

# An amplifier has an open loop gain of 100, an input impedance of 1k, output impedance of 100, β=0.99=feedback factor. Feedback is in voltage series mode. Find new input impedance and output impedance

1.  1K, 100

2.  100K, 100

3.  1000K, 1

4.  None of these

5.  20

6.  30

7.  40

8.  50

8

30

Explanation :
No Explanation available for this question

# In above circuit what should be the value of X to have V1=V2

1.  -4A

2.  4A

3.  5A

4.  -5A

5.  178

6.  195

7.  204

8.  488

8

195

Explanation :
No Explanation available for this question

# Determine inductance between the terminal A and B

1.  12.1H

2.   10.9H

3.  8.6H

4.  None of these

4

12.1H

Explanation :
No Explanation available for this question

# In a P-n junction at Zer bias , the equilibrium current is

1.  Due to diffusion of minority carriers

2.  Due to diffusion of majority carriers

3.  Zero because equal number of charges cross the junction

4.  Zero because no charges cross the junction

4