Electromagnetic Theory-Solutions of Electrostatic and Magnetostatic Problems (GATE Physics): Questions 1 - 4 of 11

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Question number: 1

» Electromagnetic Theory » Solutions of Electrostatic and Magnetostatic Problems

Appeared in Year: 2014

Short Answer Question▾

Write in Short

The value of the magnetic field required to maintain non – relativistic protons of energy 1MeV in a circular orbit of radius 100mm is _______Tesla .

(Given: mp=1.67×1027kg,e=1.6×1019C )

Question number: 2

» Electromagnetic Theory » Solutions of Electrostatic and Magnetostatic Problems

Appeared in Year: 2016

Short Answer Question▾

Write in Short

The magnitude of the magnetic dipole moment associate with a square shaped loop carrying a steady current I is m . If this loop is changed to a circular shape with the same current I passing it, the magnetic moment becomes pmπ . The value of p is _ .

Question number: 3

» Electromagnetic Theory » Solutions of Electrostatic and Magnetostatic Problems

Appeared in Year: 2015

MCQ▾

Question

Given that the magnetic flux through the closed loop PQRSP is ϕ . If PRAdl=ϕ1 along PQR, the value of PRAdl along PSR is –

Showing the closed loop PQRSP

Showing the Closed Loop PQRSP

In figure a closed loop PQRSP is shown.

Choices

Choice (4) Response
a.

ϕ1ϕ

b.

ϕ1

c.

ϕ1

d.

ϕϕ1

Question number: 4

» Electromagnetic Theory » Solutions of Electrostatic and Magnetostatic Problems

Appeared in Year: 2012

MCQ▾

Question

Given F=r×B , where B=B0(i^+j^+k^) is a constant vector and r is the position vector. The value of CFdr , where C is a circle of unit radius centered at origin is,

Choices

Choice (4) Response
a.

1

b.

2πB0

c.

2πB0

d.

0

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