Electromagnetic Theory-Biot - Savart's and Ampere's Laws (GATE Physics): Questions 1 - 2 of 4

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Question number: 1

» Electromagnetic Theory » Biot - Savart's and Ampere's Laws

Appeared in Year: 2015

MCQ▾

Question

A charge Equation is distributed uniformly over a sphere, with a positive charge Equation at its centre in Equation . Also in Equation , a charge Equation is distributed uniformly over an ellipsoid with a positive charge Equation at its centre. With respect to the origin of the coordinate system, which one of the following statements is correct?

Charge distribution over sphere and ellipsoid

Charge Distribution Over Sphere and Ellipsoid

In figure – i uniform charge distribution over a sphere and in figure – ii uniform charge distribution over an ellipsoid.

Choices

Choice (4) Response

a.

The dipole moment is non – zero in both figure (i) and figure (ii)

b.

The dipole moment is non – zero in figure (i) but zero in figure (ii)

c.

The dipole moment is zero in figure (i) but non – zero in figure (ii)

d.

The dipole moment is zero in both figure (i) and figure (ii)

Question number: 2

» Electromagnetic Theory » Biot - Savart's and Ampere's Laws

Appeared in Year: 2010

MCQ▾

Question

Consider the operations Equation and Equation . For the electric and magnetic fields Equation and Equation , which of the following set of transformations is correct?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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