# A choke coil having resistance R ohms and of L Henry is shunted by a capacitor of C farads. The dynamic impedance of the resonant circuit would be

1.  R/LC

2.  C/RL

3.  L/RC

4.  1/RLC

4

L/RC

Explanation :
No Explanation available for this question

# A periodic function f(t) is said have a quarter wave symmetry, if it possesses

1.  even symmetry at an interval of quarter of a wave

2.  even symmetry and half-wave symmetry only

3.  even or odd symmetry without the half-wave symmetry

4.  even or odd symmetry with the half-wave symmetry

4

even or odd symmetry with the half-wave symmetry

Explanation :
No Explanation available for this question

# Two alternating voltage quantities are represented by e1 = 60 sin (ωt-300) and e2 = 10 cos ω t. Then

1.  e1 lags e2 by 300

2.  e2 leads e1 by 600

3.  e1 leads e2 by 600

4.  e2 leads e1 by 1200

4

Explanation :
No Explanation available for this question

# A network is said to be linear if and only if

1.  the response is proportional to the excitation function

2.  the principle of superposition applies

3.  the principle of homogeneity applies

4.  both (b) and (c) above

4

both (b) and (c) above

Explanation :
No Explanation available for this question

# A two port network is symmetrical if

1.  Z11Z22 – Z12Z21 = 1

2.  AD – BC = 1

3.  h11h22 – h12h21 = 1

4.  y11y22 – y12y21 = 1

4

h11h22 – h12h21 = 1

Explanation :
No Explanation available for this question

# What is the characteristic impedance at 10 MHz

1.  547.7Ω

2.  54.7 Ω

3.  5.47 Ω

4.  547 Ω

4

547.7Ω

Explanation :
No Explanation available for this question

# For a transfer function H(s) = P(s)/Q(s) where P(s) and Q(s) are polynomials in s

1.  the degree of P(s) is always greater than the degree of Q(s)

2.  the degree of P(s) and Q(s) are same

3.  the degree of P(s) is independent of the degree of Q(s)

4.  the maximum degree of P(s) and Q(s) differ at most by one

4

the degree of P(s) is independent of the degree of Q(s)

Explanation :
No Explanation available for this question

# What will be propagation constant at 10 MHz

4

Explanation :
No Explanation available for this question

# A real transformer with primary and secondary winding each of 2H with dots placed at the top. The primary leakage inductance (La) of the transformer would be

1.  1H

2.  2H

3.  4H

4.  12H

4

2H

Explanation :
No Explanation available for this question

# Transmission line having least characteristic impedance is

1.  Open wire line

3.  Coaxial cable

4.  All the above

4