Electromagnetic Theory-Scalar and Vector Potentials (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 3 of 10

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Question number: 1

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2013

MCQ▾

Question

If the electric and magnetic field are unchanged when the vector potential Equation changes (in suitable units) according to Equation , where Equation then the scalar potential Equation must simultaneously change to – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2012

MCQ▾

Question

The magnetic field corresponding to the vector potential Equation where Equation is a constant vector, is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2014

MCQ▾

Question

A scalar and vector potential Equation and Equation are determine up to a gauge transformation Equation and Equation , where Equation is an arbitrary continuous and differential function of Equation and Equation . If we further impose the Lorenz gauge condition,

Equation

Then a possible choice for the gauge function Equation is – (Where Equation are nonzero constants with Equation ) (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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