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GATE EE : Electromagnetic fields Champion Quiz 3

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Question 1

An electron with velocity u is placed in an electric field E and magnetic field B. the force experienced by the electron is given by

Question 2

If is the electric field intensity, is equal to

Question 3

The following four vector fields are given in Cartesian co-ordinate system. The vector field whichdoes not satisfy the property of magnetic flux density is

Question 4

In a curl of vector field, what will be the condition for a field to be irrotational?

Question 5

The energy in poynting theorem is explained as:

Question 6

A thin uniformly polarized rod of length 2L parallel to x-axis at distance d from point charge q represents Lorentz force density as shown. What will be the correct expression for Lorentz force density in point charges q at the origin?

Question 7

In a circular loop of wire of radius R with current I, what will be the magnetic induction B on the axis of the loop at a distance z from the center of the loop?

Question 8

A toroid having inner radius a and outer radius b with current I carries N turns with r as radius. Which among the following condition describes magnetic field to be zero everywhere inside the inner radius?

Question 9

Two charges are placed a a distance apart. Now, if a glass slab is inserted between them, then the force between the charges will

Question 10

The normal components of electric flux density across a dielectric-dielectric boundary
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Mar 14ESE & GATE EE