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Electromagnetic-theory Questions Set 83:

Quiz Mode

The potential in a lamellar field is?

-1

∞

Solution:

A transmission line is distortion-less if

RL = 1/GC

RL = GC

RC = LG

RG = LC

Solution:

With unity coupling, the mutual inductance will be?

√(L1 + L2)

L2/L1

L1 × L2

√(L1 × L2)

Solution:

According to Huygens' principle, light is a form of what?

Particle

Rays

Wave

None of the above

Solution:

Under which of the following conditions is a coil said to be loosely coupled?

k > 1

k < 1

k > 0.5

k < 0.5

Solution:

Find the total magnetic flux in a coil with a magnetic flux density of 14 units and an area of 0.09 units.

1.26

0.86

1.56

1.34

Solution:

A pure resistance, R_L, when connected at the load end of a lossless 100 Ω line, produces a VSWR of 2. Then R_L is:

50 Ω

200 Ω

400 Ω

50 Ω or 200 Ω

Solution:

The resistors with resistances 2 Ω, 4 Ω, and 5 Ω are connected in parallel. The total resistance of the combination will be

20/19 Ω

19/20 Ω

10/20 Ω

29/10 Ω

Solution:

The force between two long parallel conductors is inversely proportional to the

radius of conductors

current in one conductor

distance between the conductors

product of current in two conductors

Solution:

A short bar magnet with a magnetic moment of 0.4 J/T is placed in a uniform magnetic field of 0.16 T. The potential energy of the magnet in this stable equilibrium position is:

-0.082 J

0.064 J

-0.064 J

Zero

Solution:

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Electromagnetic-theory Questions Set 83:

The potential in a lamellar field is?

Solution:

A transmission line is distortion-less if

Solution:

With unity coupling, the mutual inductance will be?

Solution:

According to Huygens' principle, light is a form of what?

Solution:

Under which of the following conditions is a coil said to be loosely coupled?

Solution:

Find the total magnetic flux in a coil with a magnetic flux density of 14 units and an area of 0.09 units.

Solution:

A pure resistance, RL, when connected at the load end of a lossless 100 Ω line, produces a VSWR of 2. Then RL is:

Solution:

The resistors with resistances 2 Ω, 4 Ω, and 5 Ω are connected in parallel. The total resistance of the combination will be

Solution:

The force between two long parallel conductors is inversely proportional to the

Solution:

A short bar magnet with a magnetic moment of 0.4 J/T is placed in a uniform magnetic field of 0.16 T. The potential energy of the magnet in this stable equilibrium position is:

Solution:

Related Question Sets:

Related Topics:

A pure resistance, R_L, when connected at the load end of a lossless 100 Ω line, produces a VSWR of 2. Then R_L is: