# The phase velocity v, in transmission line is equal to

1.  1/LG

2.

3.  LC

4.

4

Explanation :
No Explanation available for this question

# The Q of a resonant transmission line is equal

1.  1/R

2.   WL/R

3.  L/WR

4.  W/LR

4

WL/R

Explanation :
No Explanation available for this question

# If v, w, q stand for voltage, energy and charge then v can be expressed as

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# The energy stored in the magnetic field of a solenoid 30cm long and 3cm diameter wound with 100 turns of wire carrying a current of 10A is

1.  0.015 Joule

2.   0.15 joule

3.  0.5 joule

4.  1.15 joule

4

0.15 joule

Explanation :
No Explanation available for this question

# The time average pointing vector, in ω/m2 for a wave within free space is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# Three concentric conducting spherical surfaces of radii R1, R2 and R3 (R1< R2< R3) carry charges of -1, -2 and 4 coulombus respectively. The charges on the inner and outer surfaces of the outermost sphere will be respectively (in coulombus)

1.  0. 4

2.   3, 1

3.  -3, 7

4.  -2, 6

4

3, 1

Explanation :
No Explanation available for this question

# The intrinsic impedance of copper at high frequencies is

1.  purely resistive

2.  purely inductive

3.  complex with a capacitive component

4.  complex with an inductive component

4

complex with an inductive component

Explanation :
No Explanation available for this question

# The propagation constant of a transmission line is given by

1.

2.

3.

4.  None of these

4

Explanation :
No Explanation available for this question

# The potential difference between the forces A and B of a uniformly polarized infinite slab shown in the figure is:

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

1.  -4€ 0

2.  -3€0

3.  +3€0

4.   +4€0

4