# A series R-L-C circuit has R = 50Ω, L = 100 μF and C = 1 μF .The lower half power frequency of the circuit is

1.  30.55 kHz

2.  51.92 kHz

3.  3.055 kHz

4.  1.92 kHz

4

3.055 kHz

Explanation :
No Explanation available for this question

# From the graphs drawn below , which of the following is non – planer

1.  Fig.(1) and Fig(2)

2.  Fig.(2) only

3.  Fig.(4) only

4.  Fig.(3) and Fig.(4)

4

Fig.(4) only

Explanation :
No Explanation available for this question

# If the number of branches in a network is B, the number of nodes is N and the number of dependent loops is L, then the number of independent node equations will be

1.  N + L -1

2.  B – 1

3.  B – N

4.  N – 1

4

N – 1

Explanation :
No Explanation available for this question

# In graph shown in figure , for the tree with branches b , and f ,the fundamental loops wound include

1.  abc , def , bdea

2.  cea , bdea , abc

3.  adb , def , bfa

4

Explanation :
No Explanation available for this question

# For the graph shown in figure set of twigs is

1.  e f

2.  a b e f

3.  c d e

4.  none of the above

4

c d e

Explanation :
No Explanation available for this question

# A connected network of N > 2 nodes has at most one branch directly connecting any pair of nodes . The graph of the network

1.  must have at least N branches for one or more closed paths to exit

2.  can have an unlimited number branches.

3.  can only have at most N branches

4.  can have minimum number of branches not decided by N

4

can have minimum number of branches not decided by N

Explanation :
No Explanation available for this question

# In the figure shown if we connect a source of 2 V with internal resistance of 1Ω at A′ , A with positive terminal at A′ , then the current through R is

1.  2 A

2.  1.66 A

3.  1 A

4.  0.625 A

4

0.625 A

Explanation :
No Explanation available for this question

# In the circuit shown , the value at I is

1.  1 A

2.  2 A

3.  4 A

4.   8 A

4

2 A

Explanation :
No Explanation available for this question

# In the circuit shown in the given figure , if the switch is closed as t = 0 , then the voltage v(0+) and its derivative dv/dt|t = 0 will be respectively

1.  10 V and 50 V/s

2.  10 V and - 50 V/s

3.  100 V and 200 V/s

4.  100 V and -200 V/s

4

100 V and -200 V/s

Explanation :
No Explanation available for this question

1.  0.8

2.  0.6

3.  0.5

4.  zero

4