Electromagnetic Theory-Scalar and Vector Potentials (GATE Physics): Questions 1 - 4 of 4

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Question number: 1

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2016

MCQ▾

Question

Which of the following magnetic vector potentials gives rise to a uniform magnetic field B0k^ ?

Choices

Choice (4) Response
a.

B0zk^

b.

B0xj^

c.

B02(yi^+xj^)

d.

B02(yi^+xj^)

Question number: 2

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2016

MCQ▾

Question

The direction of f for a scalar field f(x,y,z)=12x2xy+12z2 at the point P(1, 1,2) is –

Choices

Choice (4) Response
a.

j^2k^5

b.

j^2k^5

c.

j^+2k^5

d.

j^+2k^5

Question number: 3

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2012

MCQ▾

Question

The electric and the magnetic fields E(z,t) and B(z,t) , respectively corresponding to the scalar potential ϕ(z,t)=0 and vector potential A(z,t)=i^tz are –

Choices

Choice (4) Response
a.

E=i^zandB=j^t

b.

E=i^zandB=j^t

c.

E=i^zandB=j^t

d.

E=i^zandB=j^t

Question number: 4

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2011

MCQ▾

Question

Which of the following expressions for a vector potential A DOES NOT represent a uniform magnetic field of magnitude B0 along z direction?

Choices

Choice (4) Response
a.

A=(0,B0x,0)

b.

A=(B0y,0,0)

c.

A=(B0x2,B0y2,0)

d.

A=(B0y2,B0x2,0)

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