Electromagnetic Theory (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 48 - 50 of 68

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Question number: 48

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2012

MCQ▾

Question

Consider an infinite conducting sheet in the XY – plane with a time dependent current density Equation , where K is constant. The vector potential at Equation is given by Equation . The magnetic field Equation is –

(December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 49

» Electromagnetic Theory » Gauss Law and Applications

Appeared in Year: 2012

MCQ▾

Question

An infinite solenoid with its axis of symmetry along the z – direction carries a steady current Equation .

An infinite solenoid

An Infinite Solenoid

In figure an infinite solenoid with its axis of symmetry along the z – direction carries a steady current.

The vector potential Equation at a distance Equation from the axis, (December)

Choices

Choice (4) Response

a.

Varies as Equation inside and as R outside the solenoid

b.

Varies as R inside and is constant outside the solenoid

c.

Is constant inside and varies as R outside the solenoid

d.

Varies as R inside and as Equation outside the solenoid

Passage

The magnetic field of the Equation mode of a rectangular waveguide of dimensions Equation as shows in the figure is given by Equation , where Equation and Equation are in cm.

 The magnetic field of a mode of a rectangular waveguide

the Magnetic Field of a Mode of a Rectangular Waveguide

In figure the magnetic field of a mode of a rectangular waveguide is shown.

Question number: 50 (1 of 2 Based on Passage) Show Passage

» Electromagnetic Theory » Electromagnetic Waves in Free Space

MCQ▾

Question

The dimensions of the waveguide are –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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