Electromagnetic Field Theory - Study Mode
[#281] An electric charge of Q coulombs is located at the origin. Consider electric potential V and electric field intensity E at any point (x, y, z). Then
Correct Answer
(D) E is vector and V is scalar
[#282] In the infinite plane y = 6m, there exists a uniform surface charge density of $$frac{1}{{6000pi }}mu { ext{C/}}{{ ext{m}}^2}$$ xa0 the associated electric field strength is
Correct Answer
(B) $$3hat j,{ ext{V/m}}$$
[#283] A plane wave having x-directed electric field propagating in free space along the z-direction is incident on an infinite electrically conducting (perfect conductor) sheet at z = 0 plane. Which one of the following is correct?
Correct Answer
(B) There will be x-directed surface electric current on the sheet
[#284] The capacitance per unit length and the characteristic impedance of a lossless transmission line are C and Z 0 respectively. The velocity of a travelling wave on the transmission line is
Correct Answer
(B) $$frac{1}{{{Z_0}C}}$$
[#285] An infinite plane Z = 10 m carries a uniformly distributed charge of density 2n C/m 2 . The electric field intensity at the origin is
Correct Answer
(D) -36πa z V/m