Electromagnetism MCQs
Practice free Electromagnetism multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 221 questions — no login required.
Question 217easy
A medium is divided into regions 1 and II about x = 0 plane, as shown in the figure 4.6 below. An electromagnetic wave with electric field E1 = 4? + 3 iy + 5 az is incident normally on the interface from region-I. The electric field E2 in region-II at the interface is
Question 218easy
When a plane wave travelling in free-space is incident normally on a medium having Cr = 4.0, then fraction of power transmitted into the medium is given by
Question 219easy
A plane wave of wavelength A, is travelling in a direction making an angle 300 with positive x-axis and 90? with positive y-axis. The E field of the plane wave can be represented as (E0 is a constant)j(cut
Advertisement
Question 220easy
It is given that X1, X2, Xm are M non-zero, orthogonal vectors. The dimension of the vector space spanned by the 2M vector X1, X2, XNV XI,?X2,?Xm is
Question 221easy
The fl field (in Aim) of a plane wa?c propagating in free space is given by 110 =5,rs cos (wt ? oz) + y ? sin Tlo5(mt --13z-f-Lt2The time average power flow density in Watts isI1