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GATE EC 2020: Electromagnetic Theory Quiz 4
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Question 1
The Biot-savart's law is a general modification of
Question 2
What will be the magnetic field at a distance R = 5m from the center of a uniformly long wire with radius r = 1 m, carrying uniform current with current density 10 A/m2?
Question 3
Consider the rectangular loop on z =0 plane shown in figure. The magnetic flux density is. . The total force experienced by the rectangular loop is
Question 4
A medium is divided into two regions I and II about z = 0 plane as shown in the figure below.
In the interface carries surface current = (A/m)
and magnetic flux density in region II
=+
the magnetic flux density in region I, is given by
In the interface carries surface current = (A/m)
and magnetic flux density in region II
=+
the magnetic flux density in region I, is given by
Question 5
A vector magnetic potential is given by
The magnetic flux density at (2, π, 0) will be
Question 6
If the magnetic field H = (0.01/ μo) ax A/m, calculate the force on a charge of 1pC moving with a velocity of 106ay m/sec.
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Oct 26ESE & GATE EC