Electromagnetic Field Theory - Study Mode
[#241] For free space E = 50 cos(10 8 t + βx), then the value of β . . . . . . . .
Correct Answer
(A) 0.3333 rad/m
[#242] The value of flux linkage is 6t 3 at time t = 2 seconds. What is the emf of a material?
Correct Answer
(D) 72 units
[#243] The depth of penetration of electromagnetic wave in a medium having conductivity σ at a frequency of 1 MHz is 25 cm. The depth of penetration at a frequency of 4 MHz will be
Correct Answer
(B) 12.50 cm
[#244] In a transmission line with ωL >> R and ωC >> G, Phase Shift constant β is proportional to
Correct Answer
(A) ω
[#245] In electromagnetic waves, polarisation is
Correct Answer
(A) due to transverse nature of waves