# The intrinsic impedance of a lossy dielectric medium is given by

1.  jωμ/σ

2.  jωε/μ

3.

4.

4

Explanation :
No Explanation available for this question

# The minimum number of NAND gates required to implement the Boolean function is equal to

1.  zero

2.  1

3.  4

4.  7

4

zero

Explanation :
No Explanation available for this question

# The output  of the circuit in the figure is equal to

1.  0

2.  1

3.

4.

4

0

Explanation :
No Explanation available for this question

# Le h(t) be the impulse response of a linear time invariant system.Then the response of the system for any input u(t) is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# The solution of X=A(t) X(t),is

1.  eAt.X0

2.

3.

4.  none of these

4

Explanation :
No Explanation available for this question

# eAt can be expanded as

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# In the given figure,A1,A2 and A3 are ideal ammeters. If A2 and A3 read 3A and 4A respectively, then A1 should read

1.  1A

2.  5A

3.  7A

4.  none of these

4

5A

Explanation :
No Explanation available for this question

# In the circuit of the given figure,assume that the diodes are ideal and the meter is an average indicating ammeter will read

1.  0.4√2 A

2.   0.4A

3.  0.8A/π

4.  0.4/π

4

0.4/π

Explanation :
No Explanation available for this question

# The number of independent loops for a network with n nodes and b branches is

1.  n-1

2.  b-n

3.  b-n+1

4.   independent of the number of nodes

4

b-n+1

Explanation :
No Explanation available for this question

# A lossless transmission line having 50Ω characteristic impedence and length λ/4 is short circuited at one end and connected to an ideal voltage source of 1 V at the other end.The current drawn from the voltage source is

1.  0

2.   0.02A

3.  ∞

4.   none of these

4