Electromagnetic Theory (GATE (Graduate Aptitude Test in Engineering) Physics): Questions 5 - 8 of 82

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Question number: 5

» 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 Equation in a circular orbit of radius Equation is Equation .

(Given: Equation )

Question number: 6

» Electromagnetic Theory » Faraday's Law

Appeared in Year: 2015

MCQ▾

Question

A long solenoid is embedded in a conducting medium and is insulated from the medium. If the current through the solenoid is increased at a constant rate, the induced current in the medium as a function of the radial distance Equation from the axis of the solenoid is proportional to –

Choices

Choice (4) Response

a.

Equation inside the solenoid and Equation outside

b.

Equation inside the solenoid and Equation outside

c.

Equation inside the solenoid and Equation outside

d.

Equation inside the solenoid and Equation outside

Question number: 7

» 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 Equation ?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 8

» 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 Equation is Equation . If this loop is changed to a circular shape with the same current Equation passing it, the magnetic moment becomes Equation . The value of Equation is Equation .

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