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Electrical Engineering Gate 2017 Set-1 Questions



Ques 1Electromagnetics

A solid iron cylinder is placed in a region containing a uniform magnetic field such that the cylinder axis is parallel to the magnetic field direction. The magnetic field lilies inside the cylinder will

a. bend closer to the cylinder axis
b. bend farther away from the axis
c. remain unifonn as before
d. cease to exist inside the cylinder


a is the correct answer.




Ques 2Electromagnetics

Consider an electron, a neutron and a proton initially at rest and placed along a straight line such that the neutron is exactly at the center of the line joining the electron and proton. At t - 0. the particles are released but are constrained to move along the same straight line, Which of these will collide first?

a. the particles will never collide
b. all wm collide together
c. proton and neutron
d. electron and neutron


d is the correct answer.




Ques 3Mathematics

Let z(t) - x(t) * y(t), where "*" denotes convolution. Let c be a positive real-valued constant, Choose the correct expression for z(ct).

a. c.x(ct) * y(ct)
b. x(ct) * y(ct)
c. c.x(t) * y(ct)
d. c.x(ct) * y(t)


a is the correct answer.