Electromagnetic TheoryGauge Invariance (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1  2 of 2
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Question number: 1
» Electromagnetic Theory » Gauge Invariance
Appeared in Year: 2013
Question
The components of a vector potential are given by,
Where k is a constant. The three component of the electric field are – (June)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Electromagnetic Theory » Gauge Invariance
Appeared in Year: 2013
Question
Let (V, A) and (V’, A’) denote two sets of scalar and vector potentials, and a scalar function. Which of the following transformations level the electric and magnetic field (and hence Maxwell’s equations) unchanged? (December)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
